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51793018042 = 2191362974159
BaseRepresentation
bin110000001111000110…
…101011110010111010
311221200112200220222111
4300033012223302322
51322033003034132
635443212042534
73512323250413
oct601706536272
9157615626874
1051793018042
111aa68899047
12a05546344a
134b65386b4c
14271490a80a
151531ebe647
hexc0f1abcba

51793018042 has 8 divisors (see below), whose sum is σ = 81778449600. Its totient is φ = 24533534844.

The previous prime is 51793018033. The next prime is 51793018087. The reversal of 51793018042 is 24081039715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51793017986 and 51793018004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681487042 + ... + 681487117.

It is an arithmetic number, because the mean of its divisors is an integer number (10222306200).

Almost surely, 251793018042 is an apocalyptic number.

51793018042 is a deficient number, since it is larger than the sum of its proper divisors (29985431558).

51793018042 is a wasteful number, since it uses less digits than its factorization.

51793018042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362974180.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 51793018042 in words is "fifty-one billion, seven hundred ninety-three million, eighteen thousand, forty-two".

Divisors: 1 2 19 38 1362974159 2725948318 25896509021 51793018042