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31096969792 = 267435692837
BaseRepresentation
bin11100111101100001…
…100001101001000000
32222021012102202000221
4130331201201221000
51002141311013132
622141415552424
72150416611340
oct347541415100
988235382027
1031096969792
1112208479739
12603a38b714
132c17724755
14170ddd8d20
15c200b1e97
hex73d861a40

31096969792 has 112 divisors (see below), whose sum is σ = 72315872640. Its totient is φ = 12989878272.

The previous prime is 31096969781. The next prime is 31096969793. The reversal of 31096969792 is 29796969013.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 31096969792.

It is not an unprimeable number, because it can be changed into a prime (31096969793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10959798 + ... + 10962634.

Almost surely, 231096969792 is an apocalyptic number.

31096969792 is a gapful number since it is divisible by the number (32) 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 31096969792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36157936320).

31096969792 is an abundant number, since it is smaller than the sum of its proper divisors (41218902848).

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

31096969792 is a wasteful number, since it uses less digits than its factorization.

31096969792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 61.

The spelling of 31096969792 in words is "thirty-one billion, ninety-six million, nine hundred sixty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 43 56 64 86 112 172 224 301 344 448 569 602 688 1138 1204 1376 2276 2408 2752 2837 3983 4552 4816 5674 7966 9104 9632 11348 15932 18208 19264 19859 22696 24467 31864 36416 39718 45392 48934 63728 79436 90784 97868 121991 127456 158872 171269 181568 195736 243982 254912 317744 342538 391472 487964 635488 685076 782944 853937 975928 1270976 1370152 1565888 1614253 1707874 1951856 2740304 3228506 3415748 3903712 5480608 6457012 6831496 7807424 10961216 11299771 12914024 13662992 22599542 25828048 27325984 45199084 51656096 54651968 69412879 90398168 103312192 138825758 180796336 277651516 361592672 485890153 555303032 723185344 971780306 1110606064 1943560612 2221212128 3887121224 4442424256 7774242448 15548484896 31096969792