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13228500272 = 241363598559
BaseRepresentation
bin11000101000111101…
…01110010100110000
31021010220202102220112
430110132232110300
5204042444002042
610024352400452
7645546253121
oct142436562460
937126672815
1013228500272
115679164059
122692246128
13132a827470
148d6c4a048
1552653a982
hex3147ae530

13228500272 has 20 divisors (see below), whose sum is σ = 27601775040. Its totient is φ = 6105461568.

The previous prime is 13228500253. The next prime is 13228500277. The reversal of 13228500272 is 27200582231.

It is not an unprimeable number, because it can be changed into a prime (13228500277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31799072 + ... + 31799487.

It is an arithmetic number, because the mean of its divisors is an integer number (1380088752).

Almost surely, 213228500272 is an apocalyptic number.

It is an amenable number.

13228500272 is an abundant number, since it is smaller than the sum of its proper divisors (14373274768).

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

13228500272 is a wasteful number, since it uses less digits than its factorization.

13228500272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63598580 (or 63598574 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 13228500272 in words is "thirteen billion, two hundred twenty-eight million, five hundred thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 63598559 127197118 254394236 508788472 826781267 1017576944 1653562534 3307125068 6614250136 13228500272