Base | Representation |
---|---|
bin | 10110100110001111… |
… | …11101010101011100 |
3 | 1011022111112010200210 |
4 | 23103013331111130 |
5 | 144321243412104 |
6 | 5323503052420 |
7 | 606433261320 |
oct | 132307752534 |
9 | 34274463623 |
10 | 12132013404 |
11 | 5166229265 |
12 | 2426ba1110 |
13 | 11b4606874 |
14 | 831383980 |
15 | 4b014a989 |
hex | 2d31fd55c |
12132013404 has 48 divisors (see below), whose sum is σ = 32402494208. Its totient is φ = 3460883328.
The previous prime is 12132013363. The next prime is 12132013423. The reversal of 12132013404 is 40431023121.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
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, 58297 + ... + 166320.
Almost surely, 212132013404 is an apocalyptic number.
12132013404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12132013404 is an abundant number, since it is smaller than the sum of its proper divisors (20270480804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12132013404 is a wasteful number, since it uses less digits than its factorization.
12132013404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225274 (or 225272 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 12132013404 its reverse (40431023121), we get a palindrome (52563036525).
The spelling of 12132013404 in words is "twelve billion, one hundred thirty-two million, thirteen thousand, four hundred four".
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