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15057024061 = 71922139463
BaseRepresentation
bin11100000010111011…
…11111010000111101
31102212100110001222211
432001131333100331
5221314044232221
610530032140421
71042061410222
oct160135772075
942770401884
1015057024061
116427330042
122b02697711
13155c5c35c1
14a2ba29949
155d1d2a6e1
hex38177f43d

15057024061 has 8 divisors (see below), whose sum is σ = 15086373120. Its totient is φ = 15027699792.

The previous prime is 15057023983. The next prime is 15057024077. The reversal of 15057024061 is 16042075051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15057024061 - 229 = 14520153149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15057024091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586416 + ... + 1595878.

It is an arithmetic number, because the mean of its divisors is an integer number (1885796640).

Almost surely, 215057024061 is an apocalyptic number.

It is an amenable number.

15057024061 is a deficient number, since it is larger than the sum of its proper divisors (29349059).

15057024061 is an equidigital number, since it uses as much as digits as its factorization.

15057024061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12395.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 15057024061 in words is "fifteen billion, fifty-seven million, twenty-four thousand, sixty-one".

Divisors: 1 719 2213 9463 1591147 6803897 20941619 15057024061