Base | Representation |
---|---|
bin | 100111000111000… |
… | …1111110000100101 |
3 | 10101110102122221010 |
4 | 1032032033300211 |
5 | 10141430414123 |
6 | 334120212433 |
7 | 44343565623 |
oct | 11616176045 |
9 | 3343378833 |
10 | 1312357413 |
11 | 613878604 |
12 | 30760a119 |
13 | 17bb73863 |
14 | c641a513 |
15 | 7a331993 |
hex | 4e38fc25 |
1312357413 has 8 divisors (see below), whose sum is σ = 1759925088. Its totient is φ = 869847344.
The previous prime is 1312357411. The next prime is 1312357447. The reversal of 1312357413 is 3147532131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312357413 - 21 = 1312357411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312357411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263795 + ... + 1264832.
It is an arithmetic number, because the mean of its divisors is an integer number (219990636).
Almost surely, 21312357413 is an apocalyptic number.
It is an amenable number.
1312357413 is a deficient number, since it is larger than the sum of its proper divisors (447567675).
1312357413 is a wasteful number, since it uses less digits than its factorization.
1312357413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2528803.
The product of its digits is 7560, while the sum is 30.
The square root of 1312357413 is about 36226.4739244658. The cubic root of 1312357413 is about 1094.8401351237.
Adding to 1312357413 its reverse (3147532131), we get a palindrome (4459889544).
The spelling of 1312357413 in words is "one billion, three hundred twelve million, three hundred fifty-seven thousand, four hundred thirteen".
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