Base | Representation |
---|---|
bin | 10010110111110011… |
… | …11100101001110100 |
3 | 222011002212101220210 |
4 | 21123321330221310 |
5 | 131222223230032 |
6 | 4353212425420 |
7 | 506035214541 |
oct | 113371745164 |
9 | 28132771823 |
10 | 10131851892 |
11 | 432a191318 |
12 | 1b69178270 |
13 | c56103b46 |
14 | 6c1885bc8 |
15 | 3e47552cc |
hex | 25be7ca74 |
10131851892 has 24 divisors (see below), whose sum is σ = 24403601152. Its totient is φ = 3268339200.
The previous prime is 10131851881. The next prime is 10131851893. The reversal of 10131851892 is 29815813101.
It is a super-2 number, since 2×101318518922 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 10131851892.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131851893) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13617709 + ... + 13618452.
Almost surely, 210131851892 is an apocalyptic number.
10131851892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10131851892 is an abundant number, since it is smaller than the sum of its proper divisors (14271749260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131851892 is a wasteful number, since it uses less digits than its factorization.
10131851892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27236199 (or 27236197 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 39.
The spelling of 10131851892 in words is "ten billion, one hundred thirty-one million, eight hundred fifty-one thousand, eight hundred ninety-two".
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