Base | Representation |
---|---|
bin | 10000101111101101… |
… | …010001000001011000 |
3 | 1201102002001002001120 |
4 | 100233231101001120 |
5 | 243310421431121 |
6 | 12132055245240 |
7 | 1204365504213 |
oct | 205755210130 |
9 | 51362032046 |
10 | 17980264536 |
11 | 7697432963 |
12 | 3599679820 |
13 | 19071106b0 |
14 | c27d7077a |
15 | 7037aabc6 |
hex | 42fb51058 |
17980264536 has 64 divisors (see below), whose sum is σ = 50513137920. Its totient is φ = 5291848320.
The previous prime is 17980264501. The next prime is 17980264553. The reversal of 17980264536 is 63546208971.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245630 + ... + 1259981.
It is an arithmetic number, because the mean of its divisors is an integer number (789267780).
It is a 1-persistent number, because it is pandigital, but 2⋅17980264536 = 35960529072 is not.
Almost surely, 217980264536 is an apocalyptic number.
It is an amenable number.
17980264536 is an abundant number, since it is smaller than the sum of its proper divisors (32532873384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17980264536 is a wasteful number, since it uses less digits than its factorization.
17980264536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2505656 (or 2505652 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 51.
The spelling of 17980264536 in words is "seventeen billion, nine hundred eighty million, two hundred sixty-four thousand, five hundred thirty-six".
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