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12835095840 = 2533571989251
BaseRepresentation
bin10111111010000100…
…00000010100100000
31020010111111102111000
423331002000110200
5202241241031330
65521340352000
7633031341330
oct137502002440
936114442430
1012835095840
115497093526
1225a2545600
131297184c88
1489a8c10c0
15501c2b560
hex2fd080520

12835095840 has 768 divisors, whose sum is σ = 54867456000. Its totient is φ = 2737152000.

The previous prime is 12835095839. The next prime is 12835095851. The reversal of 12835095840 is 4859053821.

12835095840 is a `hidden beast` number, since 12 + 8 + 3 + 50 + 9 + 584 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51135715 + ... + 51135965.

It is an arithmetic number, because the mean of its divisors is an integer number (71442000).

Almost surely, 212835095840 is an apocalyptic number.

12835095840 is a gapful number since it is divisible by the number (10) 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 12835095840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27433728000).

12835095840 is an abundant number, since it is smaller than the sum of its proper divisors (42032360160).

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

12835095840 is a wasteful number, since it uses less digits than its factorization.

12835095840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 12835095840 in words is "twelve billion, eight hundred thirty-five million, ninety-five thousand, eight hundred forty".