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131168682912 = 2536724778233
BaseRepresentation
bin111101000101001000…
…0110100001110100000
3110112120101000111012010
41322022100310032200
54122113140323122
6140131424032520
712322324260111
oct1721220641640
9415511014163
10131168682912
11506a0335983
1221508162740
13c4a5052697
1464c47a6208
15362a764e0c
hex1e8a4343a0

131168682912 has 96 divisors (see below), whose sum is σ = 349640407872. Its totient is φ = 43047696384.

The previous prime is 131168682907. The next prime is 131168682917. The reversal of 131168682912 is 219286861131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131168682907) and next prime (131168682917).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (131168682917) 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, 15927948 + ... + 15936180.

It is an arithmetic number, because the mean of its divisors is an integer number (3642087582).

Almost surely, 2131168682912 is an apocalyptic number.

131168682912 is a gapful number since it is divisible by the number (12) 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 131168682912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174820203936).

131168682912 is an abundant number, since it is smaller than the sum of its proper divisors (218471724960).

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

131168682912 is a wasteful number, since it uses less digits than its factorization.

131168682912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10790 (or 10782 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The spelling of 131168682912 in words is "one hundred thirty-one billion, one hundred sixty-eight million, six hundred eighty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 67 96 134 201 268 402 536 804 1072 1608 2144 2477 3216 4954 6432 7431 8233 9908 14862 16466 19816 24699 29724 32932 39632 49398 59448 65864 79264 98796 118896 131728 165959 197592 237792 263456 331918 395184 497877 551611 663836 790368 995754 1103222 1327672 1654833 1991508 2206444 2655344 3309666 3983016 4412888 5310688 6619332 7966032 8825776 13238664 15932064 17651552 20393141 26477328 40786282 52954656 61179423 81572564 122358846 163145128 244717692 326290256 489435384 652580512 978870768 1366340447 1957741536 2732680894 4099021341 5465361788 8198042682 10930723576 16396085364 21861447152 32792170728 43722894304 65584341456 131168682912