Base | Representation |
---|---|
bin | 11001111011010110… |
… | …01110001010100010 |
3 | 1022221002021002111110 |
4 | 30331223032022202 |
5 | 212001412023044 |
6 | 10221122124150 |
7 | 1001641002306 |
oct | 147553161242 |
9 | 38832232443 |
10 | 13919642274 |
11 | 59a330329a |
12 | 28457b0656 |
13 | 140aa84a25 |
14 | 960959d06 |
15 | 56705d6b9 |
hex | 33dace2a2 |
13919642274 has 32 divisors (see below), whose sum is σ = 29331753984. Its totient is φ = 4395053520.
The previous prime is 13919642267. The next prime is 13919642293. The reversal of 13919642274 is 47224691931.
It is a super-2 number, since 2×139196422742 (a number of 21 digits) contains 22 as substring.
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, 475432 + ... + 503859.
It is an arithmetic number, because the mean of its divisors is an integer number (916617312).
Almost surely, 213919642274 is an apocalyptic number.
13919642274 is an abundant number, since it is smaller than the sum of its proper divisors (15412111710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13919642274 is a wasteful number, since it uses less digits than its factorization.
13919642274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 979422.
The product of its digits is 653184, while the sum is 48.
The spelling of 13919642274 in words is "thirteen billion, nine hundred nineteen million, six hundred forty-two thousand, two hundred seventy-four".
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