Base | Representation |
---|---|
bin | 1001010011100100010… |
… | …0111001011010000100 |
3 | 120021122201012022122022 |
4 | 2110321010321122010 |
5 | 10104404032444410 |
6 | 201235514222312 |
7 | 14356522160102 |
oct | 2247104713204 |
9 | 507581168568 |
10 | 159871374980 |
11 | 6188a250299 |
12 | 26b98724998 |
13 | 120ca712c45 |
14 | 7a487d0c72 |
15 | 425a531455 |
hex | 2539139684 |
159871374980 has 12 divisors (see below), whose sum is σ = 335729887500. Its totient is φ = 63948549984.
The previous prime is 159871374947. The next prime is 159871375007. The reversal of 159871374980 is 89473178951.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 79931729284 + 79939645696 = 282722^2 + 282736^2 .
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, 3996784355 + ... + 3996784394.
It is an arithmetic number, because the mean of its divisors is an integer number (27977490625).
Almost surely, 2159871374980 is an apocalyptic number.
159871374980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
159871374980 is an abundant number, since it is smaller than the sum of its proper divisors (175858512520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159871374980 is a wasteful number, since it uses less digits than its factorization.
159871374980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7993568758 (or 7993568756 counting only the distinct ones).
The product of its (nonzero) digits is 15240960, while the sum is 62.
The spelling of 159871374980 in words is "one hundred fifty-nine billion, eight hundred seventy-one million, three hundred seventy-four thousand, nine hundred eighty".
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