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115150831026 = 237111965320089
BaseRepresentation
bin110101100111110000…
…1100011110110110010
3102000020001121022012120
41223033201203312302
53341312103043101
6124522145535110
711214354625350
oct1531741436662
9360201538176
10115150831026
1144920707760
121a397944496
13ab21688a0a
1458053087d0
152ede3e4b36
hex1acf863db2

115150831026 has 128 divisors (see below), whose sum is σ = 302719334400. Its totient is φ = 28290332160.

The previous prime is 115150831013. The next prime is 115150831099. The reversal of 115150831026 is 620138051511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5721990 + ... + 5742078.

It is an arithmetic number, because the mean of its divisors is an integer number (2364994800).

Almost surely, 2115150831026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115150831026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151359667200).

115150831026 is an abundant number, since it is smaller than the sum of its proper divisors (187568503374).

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

115150831026 is a wasteful number, since it uses less digits than its factorization.

115150831026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20784.

The product of its (nonzero) digits is 7200, while the sum is 33.

Adding to 115150831026 its reverse (620138051511), we get a palindrome (735288882537).

The spelling of 115150831026 in words is "one hundred fifteen billion, one hundred fifty million, eight hundred thirty-one thousand, twenty-six".

Divisors: 1 2 3 6 7 11 14 19 21 22 33 38 42 57 66 77 114 133 154 209 231 266 399 418 462 627 653 798 1254 1306 1463 1959 2926 3918 4389 4571 7183 8778 9142 12407 13713 14366 20089 21549 24814 27426 37221 40178 43098 50281 60267 74442 86849 100562 120534 136477 140623 150843 173698 220979 260547 272954 281246 301686 381691 409431 421869 441958 521094 662937 763382 818862 843738 955339 1145073 1325874 1546853 1910678 2290146 2671837 2866017 3093706 4198601 4640559 5343674 5732034 8015511 8397202 9281118 12595803 13118117 16031022 25191606 26236234 29390207 39354351 58780414 78708702 88170621 91826819 144299287 176341242 183653638 249244223 275480457 288598574 432897861 498488446 550960914 747732669 865795722 1010095009 1495465338 1744709561 2020190018 2741686453 3030285027 3489419122 5234128683 5483372906 6060570054 8225059359 10468257366 16450118718 19191805171 38383610342 57575415513 115150831026