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51051055046 = 2171979026401
BaseRepresentation
bin101111100010111000…
…010100011111000110
311212202211120022002112
4233202320110133012
51314023032230141
635241425141022
73455043544115
oct574270243706
9155684508075
1051051055046
111a717a98292
129a88a8a772
134a777445a4
14268416bc7c
1514dbcad7eb
hexbe2e147c6

51051055046 has 16 divisors (see below), whose sum is σ = 85348514160. Its totient is φ = 22759603200.

The previous prime is 51051055043. The next prime is 51051055051. The reversal of 51051055046 is 64055015015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051055043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39512555 + ... + 39513846.

It is an arithmetic number, because the mean of its divisors is an integer number (5334282135).

Almost surely, 251051055046 is an apocalyptic number.

51051055046 is a deficient number, since it is larger than the sum of its proper divisors (34297459114).

51051055046 is a wasteful number, since it uses less digits than its factorization.

51051055046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79026439.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 51051055046 in words is "fifty-one billion, fifty-one million, fifty-five thousand, forty-six".

Divisors: 1 2 17 19 34 38 323 646 79026401 158052802 1343448817 1501501619 2686897634 3003003238 25525527523 51051055046