Base | Representation |
---|---|
bin | 11000101000100011… |
… | …11111011000100111 |
3 | 1021010200110212001011 |
4 | 30110101333120213 |
5 | 204041120143104 |
6 | 10024153043051 |
7 | 645506011300 |
oct | 142421773047 |
9 | 37120425034 |
10 | 13225162279 |
11 | 567729418a |
12 | 26910b6487 |
13 | 1329c29014 |
14 | 8d661b7a7 |
15 | 5260cb904 |
hex | 31447f627 |
13225162279 has 24 divisors (see below), whose sum is σ = 15652877616. Its totient is φ = 11138400000.
The previous prime is 13225162277. The next prime is 13225162319. The reversal of 13225162279 is 97226152231.
It is not a de Polignac number, because 13225162279 - 21 = 13225162277 is a prime.
It is a super-4 number, since 4×132251622794 (a number of 42 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13225162271) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4066404 + ... + 4069654.
It is an arithmetic number, because the mean of its divisors is an integer number (652203234).
Almost surely, 213225162279 is an apocalyptic number.
13225162279 is a deficient number, since it is larger than the sum of its proper divisors (2427715337).
13225162279 is a wasteful number, since it uses less digits than its factorization.
13225162279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4687 (or 4680 counting only the distinct ones).
The product of its digits is 90720, while the sum is 40.
The spelling of 13225162279 in words is "thirteen billion, two hundred twenty-five million, one hundred sixty-two thousand, two hundred seventy-nine".
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