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47872856159 = 791251748413
BaseRepresentation
bin101100100101011100…
…011101000001011111
311120120100020001211122
4230211130131001133
51241020422344114
633554213241155
73313222364132
oct544534350137
9146510201748
1047872856159
1119336a85437
1293406331bb
13468c169c2b
14246201a219
1513a2c69e8e
hexb2571d05f

47872856159 has 8 divisors (see below), whose sum is σ = 48483716160. Its totient is φ = 47262118176.

The previous prime is 47872856153. The next prime is 47872856177. The reversal of 47872856159 is 95165827874.

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

It is a cyclic number.

It is not a de Polignac number, because 47872856159 - 232 = 43577888863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47872856153) 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, 964637 + ... + 1013049.

It is an arithmetic number, because the mean of its divisors is an integer number (6060464520).

Almost surely, 247872856159 is an apocalyptic number.

47872856159 is a deficient number, since it is larger than the sum of its proper divisors (610860001).

47872856159 is a wasteful number, since it uses less digits than its factorization.

47872856159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61009.

The product of its digits is 33868800, while the sum is 62.

The spelling of 47872856159 in words is "forty-seven billion, eight hundred seventy-two million, eight hundred fifty-six thousand, one hundred fifty-nine".

Divisors: 1 79 12517 48413 988843 3824627 605985521 47872856159