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15140032145 = 57432572347
BaseRepresentation
bin11100001100110101…
…01000111010010001
31110002010122022200022
432012122220322101
5222001322012040
610542155233225
71044120102260
oct160632507221
943063568608
1015140032145
11646a176267
122b26448815
131573867c04
14a38a765d7
155d92756b5
hex3866a8e91

15140032145 has 8 divisors (see below), whose sum is σ = 20763472704. Its totient is φ = 10381736304.

The previous prime is 15140032129. The next prime is 15140032163. The reversal of 15140032145 is 54123004151.

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 15140032145 - 24 = 15140032129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216286139 + ... + 216286208.

It is an arithmetic number, because the mean of its divisors is an integer number (2595434088).

Almost surely, 215140032145 is an apocalyptic number.

It is an amenable number.

15140032145 is a deficient number, since it is larger than the sum of its proper divisors (5623440559).

15140032145 is an equidigital number, since it uses as much as digits as its factorization.

15140032145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432572359.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15140032145 its reverse (54123004151), we get a palindrome (69263036296).

The spelling of 15140032145 in words is "fifteen billion, one hundred forty million, thirty-two thousand, one hundred forty-five".

Divisors: 1 5 7 35 432572347 2162861735 3028006429 15140032145