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51134555305 = 523444648307
BaseRepresentation
bin101111100111110110…
…110110010010101001
311212222122200112220201
4233213312312102221
51314210421232210
635254010552201
73460106356111
oct574766662251
9155878615821
1051134555305
111a76013a269
129ab0a38661
134a8bb2bc22
1426912a6041
1514e42a453a
hexbe7db64a9

51134555305 has 8 divisors (see below), whose sum is σ = 64029356352. Its totient is φ = 39129050928.

The previous prime is 51134555299. The next prime is 51134555347. The reversal of 51134555305 is 50355543115.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51134555305 is a prime.

It is a super-2 number, since 2×511345553052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222324039 + ... + 222324268.

It is an arithmetic number, because the mean of its divisors is an integer number (8003669544).

Almost surely, 251134555305 is an apocalyptic number.

It is an amenable number.

51134555305 is a deficient number, since it is larger than the sum of its proper divisors (12894801047).

51134555305 is a wasteful number, since it uses less digits than its factorization.

51134555305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444648335.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 51134555305 in words is "fifty-one billion, one hundred thirty-four million, five hundred fifty-five thousand, three hundred five".

Divisors: 1 5 23 115 444648307 2223241535 10226911061 51134555305