Base | Representation |
---|---|
bin | 100111000110101… |
… | …1000111010010011 |
3 | 10101110000020202110 |
4 | 1032031120322103 |
5 | 10141401222010 |
6 | 334111320403 |
7 | 44341641633 |
oct | 11615307223 |
9 | 3343006673 |
10 | 1312132755 |
11 | 61373483a |
12 | 307520103 |
13 | 17bac551b |
14 | c639c6c3 |
15 | 7a2da120 |
hex | 4e358e93 |
1312132755 has 16 divisors (see below), whose sum is σ = 2110408704. Its totient is φ = 696138720.
The previous prime is 1312132747. The next prime is 1312132763. The reversal of 1312132755 is 5572312131.
1312132755 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (1312132747) and next prime (1312132763).
It is not a de Polignac number, because 1312132755 - 23 = 1312132747 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226129 + ... + 231858.
It is an arithmetic number, because the mean of its divisors is an integer number (131900544).
Almost surely, 21312132755 is an apocalyptic number.
1312132755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1312132755 is a deficient number, since it is larger than the sum of its proper divisors (798275949).
1312132755 is a wasteful number, since it uses less digits than its factorization.
1312132755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 458186.
The product of its digits is 6300, while the sum is 30.
The square root of 1312132755 is about 36223.3730483510. The cubic root of 1312132755 is about 1094.7776575727. Note that the first 3 decimals are identical.
Adding to 1312132755 its reverse (5572312131), we get a palindrome (6884444886).
The spelling of 1312132755 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, seven hundred fifty-five".
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