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90805768272414 = 233131914779460657
BaseRepresentation
bin10100101001011001011101…
…100011111011101000011110
3102220111221120010020121122000
4110221121131203323220132
543400230203134204124
6521043332152103130
725061333406005466
oct2451313543735036
9386457503217560
1090805768272414
1126a2a567985338
12a226924094aa6
133b88c4101a440
14185d046176ba6
15a770ee2816c9
hex52965d8fba1e

90805768272414 has 128 divisors (see below), whose sum is σ = 228766448064000. Its totient is φ = 26467849142784.

The previous prime is 90805768272413. The next prime is 90805768272467. The reversal of 90805768272414 is 41427286750809.

It is a happy number.

90805768272414 is a `hidden beast` number, since 9 + 0 + 8 + 0 + 5 + 76 + 82 + 72 + 414 = 666.

90805768272414 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×908057682724142 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90805768272413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196891974 + ... + 197352630.

It is an arithmetic number, because the mean of its divisors is an integer number (1787237875500).

Almost surely, 290805768272414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90805768272414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114383224032000).

90805768272414 is an abundant number, since it is smaller than the sum of its proper divisors (137960679791586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90805768272414 is a wasteful number, since it uses less digits than its factorization.

90805768272414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475479 (or 475473 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 90805768272414 in words is "ninety trillion, eight hundred five billion, seven hundred sixty-eight million, two hundred seventy-two thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 114 117 171 234 247 342 351 494 513 702 741 1026 1482 2223 4446 6669 13338 14779 29558 44337 88674 133011 192127 266022 280801 384254 399033 460657 561602 576381 798066 842403 921314 1152762 1381971 1684806 1729143 2527209 2763942 3458286 3650413 4145913 5054418 5187429 5988541 7300826 7581627 8291826 8752483 10374858 10951239 11977082 12437739 15163254 17504966 17965623 21902478 24875478 26257449 32853717 35931246 52514898 53896869 65707434 78772347 98561151 107793738 113782279 157544694 161690607 197122302 227564558 236317041 323381214 341346837 472634082 682693674 1024040511 2048081022 3072121533 6144243066 6808049803 13616099606 20424149409 40848298818 61272448227 88504647439 122544896454 129352946257 177009294878 183817344681 258705892514 265513942317 367634689362 388058838771 531027884634 776117677542 796541826951 1164176516313 1593083653902 1681588301341 2328353032626 2389625480853 3363176602682 3492529548939 4779250961706 5044764904023 6985059097878 10089529808046 15134294712069 30268589424138 45402884136207 90805768272414