Base | Representation |
---|---|
bin | 1011111001110110100… |
… | …0000010001101100100 |
3 | 201112212111211211101111 |
4 | 2332131220002031210 |
5 | 11322313020340034 |
6 | 233541043434404 |
7 | 20526620103502 |
oct | 2763550021544 |
9 | 645774754344 |
10 | 204507980644 |
11 | 79805472840 |
12 | 33775385a04 |
13 | 1639225b346 |
14 | 9c80aa7672 |
15 | 54be0dc364 |
hex | 2f9da02364 |
204507980644 has 24 divisors (see below), whose sum is σ = 392819581728. Its totient is φ = 92387874240.
The previous prime is 204507980629. The next prime is 204507980683. The reversal of 204507980644 is 446089705402.
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, 14250217 + ... + 14264560.
It is an arithmetic number, because the mean of its divisors is an integer number (16367482572).
Almost surely, 2204507980644 is an apocalyptic number.
It is an amenable number.
204507980644 is a deficient number, since it is larger than the sum of its proper divisors (188311601084).
204507980644 is a wasteful number, since it uses less digits than its factorization.
204507980644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28514955 (or 28514953 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 49.
The spelling of 204507980644 in words is "two hundred four billion, five hundred seven million, nine hundred eighty thousand, six hundred forty-four".
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