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51005055134 = 21119122021663
BaseRepresentation
bin101111100000001000…
…110110000010011110
311212122122000021002002
4233200020312002132
51313424243231014
635233103202302
73453644546435
oct574010660236
9155578007062
1051005055134
111a6a4029930
129a755a6392
134a6b059ac7
14267bdd611c
1514d7c23dde
hexbe023609e

51005055134 has 16 divisors (see below), whose sum is σ = 87855598080. Its totient is φ = 21963899160.

The previous prime is 51005055131. The next prime is 51005055151. The reversal of 51005055134 is 43155050015.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51005055097 and 51005055106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005055131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61010414 + ... + 61011249.

It is an arithmetic number, because the mean of its divisors is an integer number (5490974880).

Almost surely, 251005055134 is an apocalyptic number.

51005055134 is a deficient number, since it is larger than the sum of its proper divisors (36850542946).

51005055134 is a wasteful number, since it uses less digits than its factorization.

51005055134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122021695.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 51005055134 in words is "fifty-one billion, five million, fifty-five thousand, one hundred thirty-four".

Divisors: 1 2 11 19 22 38 209 418 122021663 244043326 1342238293 2318411597 2684476586 4636823194 25502527567 51005055134