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115319020896 = 253531478391
BaseRepresentation
bin110101101100110001…
…1001001110101100000
3102000122210002020100000
41223121203021311200
53342133132132041
6124550554500000
711221466335002
oct1533143116540
9360583066300
10115319020896
11449a7643252
121a424134600
13ab4a486151
14581d7aa372
152eee068bb6
hex1ad98c9d60

115319020896 has 144 divisors (see below), whose sum is σ = 351055531008. Its totient is φ = 37199606400.

The previous prime is 115319020877. The next prime is 115319020897. The reversal of 115319020896 is 698020913511.

115319020896 is a `hidden beast` number, since 1 + 1 + 531 + 9 + 0 + 20 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115319020897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1861 + ... + 480251.

It is an arithmetic number, because the mean of its divisors is an integer number (2437885632).

Almost surely, 2115319020896 is an apocalyptic number.

115319020896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115319020896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175527765504).

115319020896 is an abundant number, since it is smaller than the sum of its proper divisors (235736510112).

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

115319020896 is an equidigital number, since it uses as much as digits as its factorization.

115319020896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478447 (or 478427 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 115319020896 in words is "one hundred fifteen billion, three hundred nineteen million, twenty thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 81 93 96 108 124 144 162 186 216 243 248 279 288 324 372 432 486 496 558 648 744 837 864 972 992 1116 1296 1488 1674 1944 2232 2511 2592 2976 3348 3888 4464 5022 6696 7533 7776 8928 10044 13392 15066 20088 26784 30132 40176 60264 80352 120528 241056 478391 956782 1435173 1913564 2870346 3827128 4305519 5740692 7654256 8611038 11481384 12916557 14830121 15308512 17222076 22962768 25833114 29660242 34444152 38749671 44490363 45925536 51666228 59320484 68888304 77499342 88980726 103332456 116249013 118640968 133471089 137776608 154998684 177961452 206664912 232498026 237281936 266942178 309997368 355922904 400413267 413329824 464996052 474563872 533884356 619994736 711845808 800826534 929992104 1067768712 1201239801 1239989472 1423691616 1601653068 1859984208 2135537424 2402479602 3203306136 3603719403 3719968416 4271074848 4804959204 6406612272 7207438806 9609918408 12813224544 14414877612 19219836816 28829755224 38439673632 57659510448 115319020896