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83005207608810 = 235711131495723057
BaseRepresentation
bin10010110111111000100111…
…111010011111110111101010
3101212220012221122011020101110
4102313320213322133313222
541334424131121440220
6452312022125131150
723324633265246414
oct2267704772376752
9355805848136343
1083005207608810
11244a2346832453
129386b700b9ab6
133741485540346
14166d68b3519b4
1598e251442be0
hex4b7e27e9fdea

83005207608810 has 128 divisors (see below), whose sum is σ = 203828546686464. Its totient is φ = 21627457617920.

The previous prime is 83005207608793. The next prime is 83005207609007. The reversal of 83005207608810 is 1880670250038.

It is a super-2 number, since 2×830052076088102 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83005207608810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3599988802 + ... + 3600011858.

It is an arithmetic number, because the mean of its divisors is an integer number (1592410520988).

Almost surely, 283005207608810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83005207608810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101914273343232).

83005207608810 is an abundant number, since it is smaller than the sum of its proper divisors (120823339077654).

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

83005207608810 is a wasteful number, since it uses less digits than its factorization.

83005207608810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38208.

The product of its (nonzero) digits is 645120, while the sum is 48.

Adding to 83005207608810 its reverse (1880670250038), we get a palindrome (84885877858848).

The spelling of 83005207608810 in words is "eighty-three trillion, five billion, two hundred seven million, six hundred eight thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71 113 142 213 226 339 355 426 565 678 710 1065 1130 1695 2130 3390 8023 14957 16046 23057 24069 29914 40115 44871 46114 48138 69171 74785 80230 89742 115285 120345 138342 149570 224355 230570 240690 345855 448710 691710 1061947 1637047 1690141 2123894 2605441 3185841 3274094 3380282 4911141 5070423 5210882 5309735 6371682 7816323 8185235 8450705 9822282 10140846 10619470 13027205 15632646 15929205 16370470 16901410 24555705 25352115 26054410 31858410 39081615 49111410 50704230 78163230 120000011 184986311 240000022 344863549 360000033 369972622 554958933 600000055 689727098 720000066 924931555 1034590647 1109917866 1200000110 1724317745 1800000165 1849863110 2069181294 2774794665 3448635490 3600000330 5172953235 5549589330 10345906470 24485311979 38969581037 48970623958 73455935937 77939162074 116908743111 122426559895 146911871874 194847905185 233817486222 244853119790 367279679685 389695810370 584543715555 734559359370 1169087431110 2766840253627 5533680507254 8300520760881 13834201268135 16601041521762 27668402536270 41502603804405 83005207608810