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51482355960 = 23357172316841
BaseRepresentation
bin101111111100100101…
…100110100011111000
311220212220010122201110
4233330211212203320
51320413440342320
635352313320320
73501531543150
oct577445464370
9156786118643
1051482355960
111a9194a2022
129b894060a0
134b15bc5029
1426c555d760
151514aa65e0
hexbfc9668f8

51482355960 has 384 divisors, whose sum is σ = 193581527040. Its totient is φ = 10716364800.

The previous prime is 51482355941. The next prime is 51482355961. The reversal of 51482355960 is 6955328415.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51482355961) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7522140 + ... + 7528980.

It is an arithmetic number, because the mean of its divisors is an integer number (504118560).

Almost surely, 251482355960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51482355960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96790763520).

51482355960 is an abundant number, since it is smaller than the sum of its proper divisors (142099171080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51482355960 is a wasteful number, since it uses less digits than its factorization.

51482355960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927 (or 6906 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 51482355960 in words is "fifty-one billion, four hundred eighty-two million, three hundred fifty-five thousand, nine hundred sixty".