Base | Representation |
---|---|
bin | 100111001100001… |
… | …1011001000000100 |
3 | 10101122110012201220 |
4 | 1032120123020010 |
5 | 10143121303122 |
6 | 334253320340 |
7 | 44405350221 |
oct | 11630331004 |
9 | 3348405656 |
10 | 1315025412 |
11 | 615330068 |
12 | 3084960b0 |
13 | 17c59905c |
14 | c6912948 |
15 | 7a6ac25c |
hex | 4e61b204 |
1315025412 has 24 divisors (see below), whose sum is σ = 3248886816. Its totient is φ = 412556928.
The previous prime is 1315025407. The next prime is 1315025443. The reversal of 1315025412 is 2145205131.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3222898 + ... + 3223305.
It is an arithmetic number, because the mean of its divisors is an integer number (135370284).
Almost surely, 21315025412 is an apocalyptic number.
1315025412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1315025412 is an abundant number, since it is smaller than the sum of its proper divisors (1933861404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1315025412 is a wasteful number, since it uses less digits than its factorization.
1315025412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6446227 (or 6446225 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 1315025412 is about 36263.2791126230. The cubic root of 1315025412 is about 1095.5815630103.
The spelling of 1315025412 in words is "one billion, three hundred fifteen million, twenty-five thousand, four hundred twelve".
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