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51114221245 = 5131299926021
BaseRepresentation
bin101111100110101001…
…010001111010111101
311212221020102110211101
4233212221101322331
51314140220034440
635252003053101
73456441466123
oct574651217275
9155836373741
1051114221245
111a74a710a5a
129aa6071191
134a8785c739
14268c6d1913
1514e25d969a
hexbe6a51ebd

51114221245 has 16 divisors (see below), whose sum is σ = 61828272000. Its totient is φ = 40564139200.

The previous prime is 51114221219. The next prime is 51114221267. The reversal of 51114221245 is 54212241115.

It is not a de Polignac number, because 51114221245 - 219 = 51113696957 is a prime.

It is a super-2 number, since 2×511142212452 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1951335 + ... + 1977355.

It is an arithmetic number, because the mean of its divisors is an integer number (3864267000).

Almost surely, 251114221245 is an apocalyptic number.

It is an amenable number.

51114221245 is a deficient number, since it is larger than the sum of its proper divisors (10714050755).

51114221245 is a wasteful number, since it uses less digits than its factorization.

51114221245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29156.

The product of its digits is 3200, while the sum is 28.

The spelling of 51114221245 in words is "fifty-one billion, one hundred fourteen million, two hundred twenty-one thousand, two hundred forty-five".

Divisors: 1 5 131 655 2999 14995 26021 130105 392869 1964345 3408751 17043755 78036979 390184895 10222844249 51114221245