Base | Representation |
---|---|
bin | 1001110011010001001… |
… | …0110011111000101000 |
3 | 121002121202200122212211 |
4 | 2130310102303320220 |
5 | 10224321023232023 |
6 | 205204142414504 |
7 | 15110432326132 |
oct | 2346422637050 |
9 | 532552618784 |
10 | 168381070888 |
11 | 654567a7828 |
12 | 28772591434 |
13 | 12b55724474 |
14 | 8214a56052 |
15 | 45a765ca0d |
hex | 27344b3e28 |
168381070888 has 16 divisors (see below), whose sum is σ = 325898847360. Its totient is φ = 81474711600.
The previous prime is 168381070873. The next prime is 168381070901. The reversal of 168381070888 is 888070183861.
It is a super-2 number, since 2×1683810708882 (a number of 23 digits) contains 22 as substring.
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, 339477718 + ... + 339478213.
It is an arithmetic number, because the mean of its divisors is an integer number (20368677960).
Almost surely, 2168381070888 is an apocalyptic number.
It is an amenable number.
168381070888 is a deficient number, since it is larger than the sum of its proper divisors (157517776472).
168381070888 is a wasteful number, since it uses less digits than its factorization.
168381070888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678955968 (or 678955964 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 58.
The spelling of 168381070888 in words is "one hundred sixty-eight billion, three hundred eighty-one million, seventy thousand, eight hundred eighty-eight".
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