Base | Representation |
---|---|
bin | 1111101000001… |
… | …11111010001011 |
3 | 100010200210102100 |
4 | 13310013322023 |
5 | 232030320040 |
6 | 21002004443 |
7 | 3151240362 |
oct | 764077213 |
9 | 303623370 |
10 | 131104395 |
11 | 68006744 |
12 | 37aa6723 |
13 | 21214386 |
14 | 135aa7d9 |
15 | b79ab30 |
hex | 7d07e8b |
131104395 has 12 divisors (see below), whose sum is σ = 227247696. Its totient is φ = 69922320.
The previous prime is 131104361. The next prime is 131104399. The reversal of 131104395 is 593401131.
It is not a de Polignac number, because 131104395 - 221 = 129007243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131104399) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1456671 + ... + 1456760.
It is an arithmetic number, because the mean of its divisors is an integer number (18937308).
Almost surely, 2131104395 is an apocalyptic number.
131104395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131104395 is a deficient number, since it is larger than the sum of its proper divisors (96143301).
131104395 is a wasteful number, since it uses less digits than its factorization.
131104395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2913442 (or 2913439 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 131104395 is about 11450.0827507927. The cubic root of 131104395 is about 508.0101820246.
The spelling of 131104395 in words is "one hundred thirty-one million, one hundred four thousand, three hundred ninety-five".
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