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12791376060 = 22351069199429
BaseRepresentation
bin10111110100110110…
…01110100010111100
31020000110020020012220
423322123032202330
5202144043013220
65513135325340
7631660621401
oct137233164274
936013206186
1012791376060
115474442181
12258b980850
13128b0b8298
14894b802a8
154ece92540
hex2fa6ce8bc

12791376060 has 48 divisors (see below), whose sum is σ = 35849536800. Its totient is φ = 3407825664.

The previous prime is 12791376019. The next prime is 12791376067. The reversal of 12791376060 is 6067319721.

It is a super-2 number, since 2×127913760602 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791376067) 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, 35575 + ... + 163854.

It is an arithmetic number, because the mean of its divisors is an integer number (746865350).

Almost surely, 212791376060 is an apocalyptic number.

12791376060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12791376060 is an abundant number, since it is smaller than the sum of its proper divisors (23058160740).

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

12791376060 is a wasteful number, since it uses less digits than its factorization.

12791376060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200510 (or 200508 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The spelling of 12791376060 in words is "twelve billion, seven hundred ninety-one million, three hundred seventy-six thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1069 2138 3207 4276 5345 6414 10690 12828 16035 21380 32070 64140 199429 398858 598287 797716 997145 1196574 1994290 2393148 2991435 3988580 5982870 11965740 213189601 426379202 639568803 852758404 1065948005 1279137606 2131896010 2558275212 3197844015 4263792020 6395688030 12791376060