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8004130072512 = 2637172591033391
BaseRepresentation
bin111010001111001101101…
…0101000110011111000000
31001100012001120211211020220
41310132123111012133000
52022114424244310022
625005014021503040
71454164543025040
oct164363325063700
931305046754226
108004130072512
112606594838902
12a93306b71a80
13460a2b458352
141d958adb1720
15dd31483085c
hex7479b5467c0

8004130072512 has 672 divisors, whose sum is σ = 26407817379840. Its totient is φ = 2094729707520.

The previous prime is 8004130072501. The next prime is 8004130072513. The reversal of 8004130072512 is 2152700314008.

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8004130072513) 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, 2360402337 + ... + 2360405727.

Almost surely, 28004130072512 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 8004130072512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13203908689920).

8004130072512 is an abundant number, since it is smaller than the sum of its proper divisors (18403687307328).

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

8004130072512 is a wasteful number, since it uses less digits than its factorization.

8004130072512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 8004130072512 in words is "eight trillion, four billion, one hundred thirty million, seventy-two thousand, five hundred twelve".