Base | Representation |
---|---|
bin | 11001111011110100… |
… | …10010001111010101 |
3 | 1022221100200201022012 |
4 | 30331322102033111 |
5 | 212003414404000 |
6 | 10221342514005 |
7 | 1002016400063 |
oct | 147572221725 |
9 | 38840621265 |
10 | 13923591125 |
11 | 59a5560104 |
12 | 2846b95905 |
13 | 140b838222 |
14 | 9612a7033 |
15 | 56758d735 |
hex | 33de923d5 |
13923591125 has 16 divisors (see below), whose sum is σ = 17614689456. Its totient is φ = 10986278400.
The previous prime is 13923591091. The next prime is 13923591127. The reversal of 13923591125 is 52119532931.
It can be written as a sum of positive squares in 8 ways, for example, as 5740941361 + 8182649764 = 75769^2 + 90458^2 .
It is not a de Polignac number, because 13923591125 - 226 = 13856482261 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13923591127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753812 + ... + 772061.
It is an arithmetic number, because the mean of its divisors is an integer number (1100918091).
Almost surely, 213923591125 is an apocalyptic number.
It is an amenable number.
13923591125 is a deficient number, since it is larger than the sum of its proper divisors (3691098331).
13923591125 is an equidigital number, since it uses as much as digits as its factorization.
13923591125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1525961 (or 1525951 counting only the distinct ones).
The product of its digits is 72900, while the sum is 41.
The spelling of 13923591125 in words is "thirteen billion, nine hundred twenty-three million, five hundred ninety-one thousand, one hundred twenty-five".
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