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12724764056 = 231983715553
BaseRepresentation
bin10111101100111010…
…00111110110011000
31012211210212222201122
423312131013312120
5202030014422211
65502355504412
7630221465324
oct136635076630
935753788648
1012724764056
11543a885634
1225715b8108
13127a3648b4
14889da0984
154e71d56db
hex2f6747d98

12724764056 has 16 divisors (see below), whose sum is σ = 25114666200. Its totient is φ = 6027519744.

The previous prime is 12724764001. The next prime is 12724764083. The reversal of 12724764056 is 65046742721.

It is a happy number.

It is a super-3 number, since 3×127247640563 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12724763998 and 12724764016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41857625 + ... + 41857928.

Almost surely, 212724764056 is an apocalyptic number.

It is an amenable number.

12724764056 is a deficient number, since it is larger than the sum of its proper divisors (12389902144).

12724764056 is a wasteful number, since it uses less digits than its factorization.

12724764056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83715578 (or 83715574 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 12724764056 in words is "twelve billion, seven hundred twenty-four million, seven hundred sixty-four thousand, fifty-six".

Divisors: 1 2 4 8 19 38 76 152 83715553 167431106 334862212 669724424 1590595507 3181191014 6362382028 12724764056