Base | Representation |
---|---|
bin | 111011010101010… |
… | …0000001000101000 |
3 | 12010202010211010020 |
4 | 1312222200020220 |
5 | 13034124300120 |
6 | 525314520440 |
7 | 100222654422 |
oct | 16652401050 |
9 | 5122124106 |
10 | 1990853160 |
11 | 93186a49a |
12 | 476896120 |
13 | 2595c3c2a |
14 | 14c597812 |
15 | b9ba7640 |
hex | 76aa0228 |
1990853160 has 32 divisors (see below), whose sum is σ = 5972559840. Its totient is φ = 530894144.
The previous prime is 1990853141. The next prime is 1990853171. The reversal of 1990853160 is 613580991.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8295102 + ... + 8295341.
It is an arithmetic number, because the mean of its divisors is an integer number (186642495).
Almost surely, 21990853160 is an apocalyptic number.
1990853160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1990853160 is an abundant number, since it is smaller than the sum of its proper divisors (3981706680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1990853160 is a wasteful number, since it uses less digits than its factorization.
1990853160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16590457 (or 16590453 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 42.
The square root of 1990853160 is about 44618.9775768114. The cubic root of 1990853160 is about 1257.9973983094.
The spelling of 1990853160 in words is "one billion, nine hundred ninety million, eight hundred fifty-three thousand, one hundred sixty".
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