Base | Representation |
---|---|
bin | 111101000110011111… |
… | …0111010011110111001 |
3 | 110112200112220011200122 |
4 | 1322030332322132321 |
5 | 4122211331242333 |
6 | 140140134143025 |
7 | 12323420221355 |
oct | 1721476723671 |
9 | 415615804618 |
10 | 131214321593 |
11 | 507140779a3 |
12 | 2151b4b1a75 |
13 | c4b1641914 |
14 | 64ca886465 |
15 | 362e77c798 |
hex | 1e8cfba7b9 |
131214321593 has 12 divisors (see below), whose sum is σ = 134862179760. Its totient is φ = 127596077112.
The previous prime is 131214321547. The next prime is 131214321671. The reversal of 131214321593 is 395123412131.
It is not a de Polignac number, because 131214321593 - 26 = 131214321529 is a prime.
It is a super-2 number, since 2×1312143215932 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131214321193) 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, 2186138 + ... + 2245356.
It is an arithmetic number, because the mean of its divisors is an integer number (11238514980).
Almost surely, 2131214321593 is an apocalyptic number.
It is an amenable number.
131214321593 is a deficient number, since it is larger than the sum of its proper divisors (3647858167).
131214321593 is an frugal number, since it uses more digits than its factorization.
131214321593 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59716 (or 59489 counting only the distinct ones).
The product of its digits is 19440, while the sum is 35.
The spelling of 131214321593 in words is "one hundred thirty-one billion, two hundred fourteen million, three hundred twenty-one thousand, five hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •