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12815004201 = 322718817921
BaseRepresentation
bin10111110111101010…
…10111001000101001
31020002002200122221020
423323311113020221
5202221120113301
65515342003053
7632365511166
oct137365271051
936062618836
1012815004201
11548681036a
122597876489
131292c6bc2c
14897d7106d
155000ad436
hex2fbd57229

12815004201 has 8 divisors (see below), whose sum is σ = 17161944864. Its totient is φ = 8505699840.

The previous prime is 12815004113. The next prime is 12815004229. The reversal of 12815004201 is 10240051821.

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

It is not a de Polignac number, because 12815004201 - 210 = 12815003177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12815004281) 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, 9408280 + ... + 9409641.

It is an arithmetic number, because the mean of its divisors is an integer number (2145243108).

Almost surely, 212815004201 is an apocalyptic number.

It is an amenable number.

12815004201 is a deficient number, since it is larger than the sum of its proper divisors (4346940663).

12815004201 is a wasteful number, since it uses less digits than its factorization.

12815004201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18818151.

The product of its (nonzero) digits is 640, while the sum is 24.

The spelling of 12815004201 in words is "twelve billion, eight hundred fifteen million, four thousand, two hundred one".

Divisors: 1 3 227 681 18817921 56453763 4271668067 12815004201