Base | Representation |
---|---|
bin | 100111001000001… |
… | …1000111010100100 |
3 | 10101111111012120012 |
4 | 1032100120322210 |
5 | 10142101403304 |
6 | 334140225352 |
7 | 44351425532 |
oct | 11620307244 |
9 | 3344435505 |
10 | 1312919204 |
11 | 6141216a3 |
12 | 30783b258 |
13 | 17c00c48c |
14 | c6525152 |
15 | 7a3e316e |
hex | 4e418ea4 |
1312919204 has 24 divisors (see below), whose sum is σ = 2395008000. Its totient is φ = 628977440.
The previous prime is 1312919191. The next prime is 1312919207. The reversal of 1312919204 is 4029192131.
It is not an unprimeable number, because it can be changed into a prime (1312919207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28004 + ... + 58395.
It is an arithmetic number, because the mean of its divisors is an integer number (99792000).
Almost surely, 21312919204 is an apocalyptic number.
It is an amenable number.
1312919204 is a deficient number, since it is larger than the sum of its proper divisors (1082088796).
1312919204 is a wasteful number, since it uses less digits than its factorization.
1312919204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86563 (or 86561 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 32.
The square root of 1312919204 is about 36234.2269684341. The cubic root of 1312919204 is about 1094.9963384016.
The spelling of 1312919204 in words is "one billion, three hundred twelve million, nine hundred nineteen thousand, two hundred four".
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