Base | Representation |
---|---|
bin | 11000111100100100… |
… | …10111000100001110 |
3 | 1021120101100111020102 |
4 | 30132102113010032 |
5 | 204412104001223 |
6 | 10052551051102 |
7 | 652614613613 |
oct | 143622270416 |
9 | 37511314212 |
10 | 13393031438 |
11 | 5753020826 |
12 | 2719370a92 |
13 | 1355943497 |
14 | 910a3850a |
15 | 535bda928 |
hex | 31e49710e |
13393031438 has 8 divisors (see below), whose sum is σ = 20162073432. Its totient is φ = 6672340296.
The previous prime is 13393031417. The next prime is 13393031501. The reversal of 13393031438 is 83413039331.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12087020 + ... + 12088127.
It is an arithmetic number, because the mean of its divisors is an integer number (2520259179).
Almost surely, 213393031438 is an apocalyptic number.
13393031438 is a deficient number, since it is larger than the sum of its proper divisors (6769041994).
13393031438 is a wasteful number, since it uses less digits than its factorization.
13393031438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24175426.
The product of its (nonzero) digits is 69984, while the sum is 38.
The spelling of 13393031438 in words is "thirteen billion, three hundred ninety-three million, thirty-one thousand, four hundred thirty-eight".
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