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51012015160 = 2351275300379
BaseRepresentation
bin101111100000100011…
…011001010000111000
311212200010002212102211
4233200203121100320
51313433033441120
635233512304504
73454060655161
oct574043312070
9155603085384
1051012015160
111a6a7a53017
129a779a2134
134a6c625a72
14267ccc8768
1514d864b25a
hexbe08d9438

51012015160 has 16 divisors (see below), whose sum is σ = 114777034200. Its totient is φ = 20404806048.

The previous prime is 51012015139. The next prime is 51012015199. The reversal of 51012015160 is 6151021015.

It is a happy number.

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, 637650150 + ... + 637650229.

Almost surely, 251012015160 is an apocalyptic number.

It is an amenable number.

51012015160 is an abundant number, since it is smaller than the sum of its proper divisors (63765019040).

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

51012015160 is a wasteful number, since it uses less digits than its factorization.

51012015160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275300390 (or 1275300386 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 51012015160 its reverse (6151021015), we get a palindrome (57163036175).

The spelling of 51012015160 in words is "fifty-one billion, twelve million, fifteen thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1275300379 2550600758 5101201516 6376501895 10202403032 12753003790 25506007580 51012015160