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51896052000 = 25365313372
BaseRepresentation
bin110000010101001111…
…101110100100100000
311221221201120121000000
4300111033232210200
51322240342131000
635501332300000
73515014110102
oct602517564440
9157851517000
1051896052000
1120010a71a81
12a083a71600
134b808205a0
14272448b572
15153b073000
hexc153ee920

51896052000 has 1008 divisors, whose sum is σ = 211595994792. Its totient is φ = 12429158400.

The previous prime is 51896051989. The next prime is 51896052007. The reversal of 51896052000 is 25069815.

It is a happy number.

51896052000 is a `hidden beast` number, since 51 + 89 + 6 + 0 + 520 + 0 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 114318864 + 51781733136 = 10692^2 + 227556^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51896052007) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 1402595982 + ... + 1402596018.

Almost surely, 251896052000 is an apocalyptic number.

51896052000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51896052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105797997396).

51896052000 is an abundant number, since it is smaller than the sum of its proper divisors (159699942792).

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

51896052000 is an equidigital number, since it uses as much as digits as its factorization.

51896052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 51896052000 in words is "fifty-one billion, eight hundred ninety-six million, fifty-two thousand".