Base | Representation |
---|---|
bin | 10101011101011000111… |
… | …110110001000001011101 |
3 | 12012222101001102122222022 |
4 | 111131120332301001131 |
5 | 143130104124200021 |
6 | 3045241423425525 |
7 | 211353420355445 |
oct | 25353076610135 |
9 | 5188331378868 |
10 | 1474666631261 |
11 | 51944796150a |
12 | 1b9972a552a5 |
13 | a90a2acaba5 |
14 | 51534d05125 |
15 | 2855d2c61ab |
hex | 15758fb105d |
1474666631261 has 16 divisors (see below), whose sum is σ = 1544965985280. Its totient is φ = 1405835429760.
The previous prime is 1474666631257. The next prime is 1474666631309. The reversal of 1474666631261 is 1621366664741.
It is a cyclic number.
It is not a de Polignac number, because 1474666631261 - 22 = 1474666631257 is a prime.
It is a super-2 number, since 2×14746666312612 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1474666639261) 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, 1466555 + ... + 2258343.
It is an arithmetic number, because the mean of its divisors is an integer number (96560374080).
Almost surely, 21474666631261 is an apocalyptic number.
It is an amenable number.
1474666631261 is a deficient number, since it is larger than the sum of its proper divisors (70299354019).
1474666631261 is an equidigital number, since it uses as much as digits as its factorization.
1474666631261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 792716.
The product of its digits is 5225472, while the sum is 53.
The spelling of 1474666631261 in words is "one trillion, four hundred seventy-four billion, six hundred sixty-six million, six hundred thirty-one thousand, two hundred sixty-one".
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