Base | Representation |
---|---|
bin | 100111000111001… |
… | …1010011110011110 |
3 | 10101110111220010221 |
4 | 1032032122132132 |
5 | 10141433320220 |
6 | 334121151554 |
7 | 44344140613 |
oct | 11616323636 |
9 | 3343456127 |
10 | 1312401310 |
11 | 6138a8590 |
12 | 30762b5ba |
13 | 17bb8a82c |
14 | c642c50a |
15 | 7a33e9aa |
hex | 4e39a79e |
1312401310 has 32 divisors (see below), whose sum is σ = 2620771200. Its totient is φ = 469145760.
The previous prime is 1312401287. The next prime is 1312401313. The reversal of 1312401310 is 131042131.
It is a super-2 number, since 2×13124013102 = 3444794396979432200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312401313) 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, 94620 + ... + 107599.
It is an arithmetic number, because the mean of its divisors is an integer number (81899100).
Almost surely, 21312401310 is an apocalyptic number.
1312401310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312401310 is a deficient number, since it is larger than the sum of its proper divisors (1308369890).
1312401310 is a wasteful number, since it uses less digits than its factorization.
1312401310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202296.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1312401310 is about 36227.0797884676. The cubic root of 1312401310 is about 1094.8523420782.
Adding to 1312401310 its reverse (131042131), we get a palindrome (1443443441).
The spelling of 1312401310 in words is "one billion, three hundred twelve million, four hundred one thousand, three hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •