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51237067113 = 328431675247
BaseRepresentation
bin101111101101111101…
…111001100101101001
311220020210120200200100
4233231331321211221
51314413142121423
635312112100013
73462462612261
oct575575714551
9156223520610
1051237067113
111a802a96971
129b1b234609
134aa7141abb
1426a0b4c7a1
1514ed2a3343
hexbedf79969

51237067113 has 12 divisors (see below), whose sum is σ = 74017984768. Its totient is φ = 34153942680.

The previous prime is 51237067111. The next prime is 51237067129. The reversal of 51237067113 is 31176073215.

51237067113 is a `hidden beast` number, since 512 + 3 + 70 + 6 + 71 + 1 + 3 = 666.

It is not a de Polignac number, because 51237067113 - 21 = 51237067111 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51237067111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261745 + ... + 413502.

Almost surely, 251237067113 is an apocalyptic number.

It is an amenable number.

51237067113 is a deficient number, since it is larger than the sum of its proper divisors (22780917655).

51237067113 is a wasteful number, since it uses less digits than its factorization.

51237067113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683684 (or 683681 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 51237067113 in words is "fifty-one billion, two hundred thirty-seven million, sixty-seven thousand, one hundred thirteen".

Divisors: 1 3 9 8431 25293 75879 675247 2025741 6077223 5693007457 17079022371 51237067113