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15421053151 = 75341566181
BaseRepresentation
bin11100101110010101…
…01001100011011111
31110210201102200000201
432113022221203133
5223040242200101
611030114404331
71054101534430
oct162712514337
943721380021
1015421053151
1165a3867529
122ba45906a7
1315b9b4c22a
14a64109487
15603c85e01
hex3972a98df

15421053151 has 8 divisors (see below), whose sum is σ = 17956590624. Its totient is φ = 12968648160.

The previous prime is 15421053139. The next prime is 15421053157. The reversal of 15421053151 is 15135012451.

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 15421053151 - 219 = 15420528863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15421053157) 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, 20782720 + ... + 20783461.

It is an arithmetic number, because the mean of its divisors is an integer number (2244573828).

Almost surely, 215421053151 is an apocalyptic number.

15421053151 is a deficient number, since it is larger than the sum of its proper divisors (2535537473).

15421053151 is an equidigital number, since it uses as much as digits as its factorization.

15421053151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41566241.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 15421053151 in words is "fifteen billion, four hundred twenty-one million, fifty-three thousand, one hundred fifty-one".

Divisors: 1 7 53 371 41566181 290963267 2203007593 15421053151