Base | Representation |
---|---|
bin | 10011000100011100011… |
… | …110100010011110111011 |
3 | 11122021111000022022000020 |
4 | 103010130132202132323 |
5 | 132432241323333031 |
6 | 2442001544541523 |
7 | 163450664644611 |
oct | 23043436423673 |
9 | 4567430268006 |
10 | 1310442792891 |
11 | 465834880041 |
12 | 191b807818a3 |
13 | 9676075a02b |
14 | 475d64516b1 |
15 | 2414aaeb096 |
hex | 1311c7a27bb |
1310442792891 has 16 divisors (see below), whose sum is σ = 1748818070400. Its totient is φ = 872848342080.
The previous prime is 1310442792859. The next prime is 1310442792973. The reversal of 1310442792891 is 1982972440131.
It is not a de Polignac number, because 1310442792891 - 25 = 1310442792859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1310442792821) 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, 17460556 + ... + 17535446.
It is an arithmetic number, because the mean of its divisors is an integer number (109301129400).
Almost surely, 21310442792891 is an apocalyptic number.
1310442792891 is a deficient number, since it is larger than the sum of its proper divisors (438375277509).
1310442792891 is a wasteful number, since it uses less digits than its factorization.
1310442792891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80026.
The product of its (nonzero) digits is 870912, while the sum is 51.
The spelling of 1310442792891 in words is "one trillion, three hundred ten billion, four hundred forty-two million, seven hundred ninety-two thousand, eight hundred ninety-one".
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