Base | Representation |
---|---|
bin | 111011000001101… |
… | …0101001110101010 |
3 | 12010000211010200100 |
4 | 1312003111032222 |
5 | 13024012203444 |
6 | 524310450230 |
7 | 100036456632 |
oct | 16603251652 |
9 | 5100733610 |
10 | 1980584874 |
11 | 926a96804 |
12 | 473363976 |
13 | 25743a218 |
14 | 14b0836c2 |
15 | b8d29e69 |
hex | 760d53aa |
1980584874 has 24 divisors (see below), whose sum is σ = 4309231680. Its totient is φ = 657431208.
The previous prime is 1980584869. The next prime is 1980584911. The reversal of 1980584874 is 4784850891.
It is a self number, because there is not a number n which added to its sum of digits gives 1980584874.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225892 + ... + 234495.
It is an arithmetic number, because the mean of its divisors is an integer number (179551320).
Almost surely, 21980584874 is an apocalyptic number.
1980584874 is an abundant number, since it is smaller than the sum of its proper divisors (2328646806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1980584874 is a wasteful number, since it uses less digits than its factorization.
1980584874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460634 (or 460631 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 54.
The square root of 1980584874 is about 44503.7624701553. The cubic root of 1980584874 is about 1255.8308649723.
The spelling of 1980584874 in words is "one billion, nine hundred eighty million, five hundred eighty-four thousand, eight hundred seventy-four".
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