Base | Representation |
---|---|
bin | 10111111010111011… |
… | …01010101111100100 |
3 | 1020011000010211212201 |
4 | 23331131222233210 |
5 | 202300120104432 |
6 | 5522200024244 |
7 | 633150103222 |
oct | 137535525744 |
9 | 36130124781 |
10 | 12842347492 |
11 | 54a0196827 |
12 | 25a4a62084 |
13 | 12988238b0 |
14 | 89b84bb12 |
15 | 5026aeee7 |
hex | 2fd76abe4 |
12842347492 has 48 divisors (see below), whose sum is σ = 25292881152. Its totient is φ = 5666169600.
The previous prime is 12842347439. The next prime is 12842347499. The reversal of 12842347492 is 29474324821.
It is not an unprimeable number, because it can be changed into a prime (12842347499) 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, 43992 + ... + 166192.
It is an arithmetic number, because the mean of its divisors is an integer number (526935024).
Almost surely, 212842347492 is an apocalyptic number.
It is an amenable number.
12842347492 is a deficient number, since it is larger than the sum of its proper divisors (12450533660).
12842347492 is a wasteful number, since it uses less digits than its factorization.
12842347492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122308 (or 122306 counting only the distinct ones).
The product of its digits is 774144, while the sum is 46.
The spelling of 12842347492 in words is "twelve billion, eight hundred forty-two million, three hundred forty-seven thousand, four hundred ninety-two".
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