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51159060000 = 253354211449
BaseRepresentation
bin101111101001010100…
…010100111000100000
311220001100210112001000
4233221110110320200
51314233204410000
635300244112000
73460524556266
oct575124247040
9156040715030
1051159060000
111a772a56a84
129ab9095600
134a93c2b849
142694644436
1514e64e5000
hexbe9514e20

51159060000 has 480 divisors, whose sum is σ = 187758648000. Its totient is φ = 13547520000.

The previous prime is 51159059971. The next prime is 51159060019. The reversal of 51159060000 is 6095115.

51159060000 is a `hidden beast` number, since 5 + 1 + 1 + 59 + 0 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 113939776 + ... + 113940224.

It is an arithmetic number, because the mean of its divisors is an integer number (391163850).

Almost surely, 251159060000 is an apocalyptic number.

51159060000 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 51159060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93879324000).

51159060000 is an abundant number, since it is smaller than the sum of its proper divisors (136599588000).

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

51159060000 is a wasteful number, since it uses less digits than its factorization.

51159060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The spelling of 51159060000 in words is "fifty-one billion, one hundred fifty-nine million, sixty thousand".