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51150722051 = 11131723914827
BaseRepresentation
bin101111101000110100…
…100001010000000011
311220000210002220112002
4233220310201100003
51314224041101201
635255345254215
73460363651352
oct575064412003
9156023086462
1051150722051
111a769281610
129ab633436b
134a9229c650
1426934b3999
1514e58e976b
hexbe8d21403

51150722051 has 32 divisors (see below), whose sum is σ = 66394556928. Its totient is φ = 38642250240.

The previous prime is 51150722003. The next prime is 51150722053. The reversal of 51150722051 is 15022705115.

It is not a de Polignac number, because 51150722051 - 218 = 51150459907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51150722053) 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, 401501 + ... + 513326.

It is an arithmetic number, because the mean of its divisors is an integer number (2074829904).

Almost surely, 251150722051 is an apocalyptic number.

51150722051 is a deficient number, since it is larger than the sum of its proper divisors (15243834877).

51150722051 is a wasteful number, since it uses less digits than its factorization.

51150722051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914891.

The product of its (nonzero) digits is 3500, while the sum is 29.

The spelling of 51150722051 in words is "fifty-one billion, one hundred fifty million, seven hundred twenty-two thousand, fifty-one".

Divisors: 1 11 13 17 23 143 187 221 253 299 391 2431 3289 4301 5083 55913 914827 10063097 11892751 15552059 21041021 130820261 171072649 202176767 231451231 273533273 357697357 2223944437 3008866003 3934670927 4650065641 51150722051