Base | Representation |
---|---|
bin | 100111000011101… |
… | …0111100110100011 |
3 | 10101100001001211201 |
4 | 1032013113212203 |
5 | 10141000221111 |
6 | 334013422031 |
7 | 44322346456 |
oct | 11607274643 |
9 | 3340031751 |
10 | 1310554531 |
11 | 612857020 |
12 | 306a9a917 |
13 | 17b692070 |
14 | c60ab49d |
15 | 7a0c76c1 |
hex | 4e1d79a3 |
1310554531 has 16 divisors (see below), whose sum is σ = 1630244448. Its totient is φ = 1035072000.
The previous prime is 1310554493. The next prime is 1310554537. The reversal of 1310554531 is 1354550131.
It is a cyclic number.
It is not a de Polignac number, because 1310554531 - 27 = 1310554403 is a prime.
It is a super-2 number, since 2×13105545312 = 3435106357449259922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1310554531.
It is not an unprimeable number, because it can be changed into a prime (1310554537) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267120 + ... + 271981.
It is an arithmetic number, because the mean of its divisors is an integer number (101890278).
Almost surely, 21310554531 is an apocalyptic number.
1310554531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1310554531 is a deficient number, since it is larger than the sum of its proper divisors (319689917).
1310554531 is a wasteful number, since it uses less digits than its factorization.
1310554531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 539142.
The product of its (nonzero) digits is 4500, while the sum is 28.
The square root of 1310554531 is about 36201.5818853265. The cubic root of 1310554531 is about 1094.3385511990.
The spelling of 1310554531 in words is "one billion, three hundred ten million, five hundred fifty-four thousand, five hundred thirty-one".
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