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51085579102 = 2132403192917
BaseRepresentation
bin101111100100111100…
…000001001101011110
311212212020112022012021
4233210330001031132
51314110402012402
635245101130354
73455643154255
oct574474011536
9155766468167
1051085579102
111a735528768
129a985599ba
134a8194181c
14268899779c
1514ded2cd37
hexbe4f0135e

51085579102 has 8 divisors (see below), whose sum is σ = 76629344616. Its totient is φ = 25542464232.

The previous prime is 51085579087. The next prime is 51085579121. The reversal of 51085579102 is 20197558015.

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

It is a congruent number.

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, 168348 + ... + 361264.

It is an arithmetic number, because the mean of its divisors is an integer number (9578668077).

Almost surely, 251085579102 is an apocalyptic number.

51085579102 is a deficient number, since it is larger than the sum of its proper divisors (25543765514).

51085579102 is a wasteful number, since it uses less digits than its factorization.

51085579102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325322.

The product of its (nonzero) digits is 126000, while the sum is 43.

The spelling of 51085579102 in words is "fifty-one billion, eighty-five million, five hundred seventy-nine thousand, one hundred two".

Divisors: 1 2 132403 192917 264806 385834 25542789551 51085579102