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51005055135 = 354182935049
BaseRepresentation
bin101111100000001000…
…110110000010011111
311212122122000021002010
4233200020312002133
51313424243231020
635233103202303
73453644546436
oct574010660237
9155578007063
1051005055135
111a6a4029931
129a755a6393
134a6b059ac8
14267bdd611d
1514d7c23de0
hexbe023609f

51005055135 has 16 divisors (see below), whose sum is σ = 83598530400. Its totient is φ = 26539215360.

The previous prime is 51005055131. The next prime is 51005055151. The reversal of 51005055135 is 53155050015.

It is not a de Polignac number, because 51005055135 - 22 = 51005055131 is a prime.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41466910 + ... + 41468139.

It is an arithmetic number, because the mean of its divisors is an integer number (5224908150).

Almost surely, 251005055135 is an apocalyptic number.

51005055135 is a deficient number, since it is larger than the sum of its proper divisors (32593475265).

51005055135 is a wasteful number, since it uses less digits than its factorization.

51005055135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82935098.

The product of its (nonzero) digits is 9375, while the sum is 30.

The spelling of 51005055135 in words is "fifty-one billion, five million, fifty-five thousand, one hundred thirty-five".

Divisors: 1 3 5 15 41 123 205 615 82935049 248805147 414675245 1244025735 3400337009 10201011027 17001685045 51005055135