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51225056763 = 3233179472473
BaseRepresentation
bin101111101101010000…
…000101010111111011
311220012221222111120120
4233231100011113323
51314402103304023
635311002424323
73462255540546
oct575520052773
9156187874516
1051225056763
111a7a7233361
129b172020a3
134aa47c819a
14269d30385d
1514ec1ce8e3
hexbed4055fb

51225056763 has 32 divisors (see below), whose sum is σ = 71598905856. Its totient is φ = 32514670848.

The previous prime is 51225056731. The next prime is 51225056767. The reversal of 51225056763 is 36765052215.

It is not a de Polignac number, because 51225056763 - 25 = 51225056731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51225056767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20712495 + ... + 20714967.

It is an arithmetic number, because the mean of its divisors is an integer number (2237465808).

Almost surely, 251225056763 is an apocalyptic number.

51225056763 is a deficient number, since it is larger than the sum of its proper divisors (20373849093).

51225056763 is a wasteful number, since it uses less digits than its factorization.

51225056763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 51225056763 in words is "fifty-one billion, two hundred twenty-five million, fifty-six thousand, seven hundred sixty-three".

Divisors: 1 3 23 69 317 947 951 2473 2841 7291 7419 21781 21873 56879 65343 170637 300199 783941 900597 2341931 2351823 6904577 7025793 18030643 20713731 53864413 54091929 161593239 742392127 2227176381 17075018921 51225056763