Base | Representation |
---|---|
bin | 11000111110000100… |
… | …01011110101110010 |
3 | 1021121020221102200020 |
4 | 30133002023311302 |
5 | 204423311141440 |
6 | 10054115504310 |
7 | 653126310465 |
oct | 143702136562 |
9 | 37536842606 |
10 | 13405568370 |
11 | 575a103a27 |
12 | 27215b8096 |
13 | 135841299c |
14 | 91257d2dc |
15 | 536d653d0 |
hex | 31f08bd72 |
13405568370 has 64 divisors (see below), whose sum is σ = 34372270080. Its totient is φ = 3336113088.
The previous prime is 13405568353. The next prime is 13405568401. The reversal of 13405568370 is 7386550431.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137322 + ... + 213701.
It is an arithmetic number, because the mean of its divisors is an integer number (537066720).
Almost surely, 213405568370 is an apocalyptic number.
13405568370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13405568370 is an abundant number, since it is smaller than the sum of its proper divisors (20966701710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13405568370 is a wasteful number, since it uses less digits than its factorization.
13405568370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351119.
The product of its (nonzero) digits is 302400, while the sum is 42.
The spelling of 13405568370 in words is "thirteen billion, four hundred five million, five hundred sixty-eight thousand, three hundred seventy".
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