Base | Representation |
---|---|
bin | 1000100110110011111101… |
… | …11101001011001100110100 |
3 | 2111000021200110121121021010 |
4 | 10103121332331023030310 |
5 | 4440034422000401202 |
6 | 104130212222152220 |
7 | 3662224605422211 |
oct | 423317675131464 |
9 | 74007613547233 |
10 | 18925755872052 |
11 | 6037405883a17 |
12 | 2157b31422670 |
13 | a738ca514453 |
14 | 49602369ab08 |
15 | 22c48061476c |
hex | 11367ef4b334 |
18925755872052 has 24 divisors (see below), whose sum is σ = 44211267507456. Its totient is φ = 6301275223168.
The previous prime is 18925755872033. The next prime is 18925755872129. The reversal of 18925755872052 is 25027855752981.
It is a congruent number.
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, 913747653 + ... + 913768364.
It is an arithmetic number, because the mean of its divisors is an integer number (1842136146144).
Almost surely, 218925755872052 is an apocalyptic number.
18925755872052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18925755872052 is an abundant number, since it is smaller than the sum of its proper divisors (25285511635404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18925755872052 is a wasteful number, since it uses less digits than its factorization.
18925755872052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1827516887 (or 1827516885 counting only the distinct ones).
The product of its (nonzero) digits is 141120000, while the sum is 66.
The spelling of 18925755872052 in words is "eighteen trillion, nine hundred twenty-five billion, seven hundred fifty-five million, eight hundred seventy-two thousand, fifty-two".
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