Base | Representation |
---|---|
bin | 10010111101011000… |
… | …101111110010011100 |
3 | 1221112201202110101210 |
4 | 102331120233302130 |
5 | 313142424001304 |
6 | 13204010304420 |
7 | 1320320525454 |
oct | 227530576234 |
9 | 57481673353 |
10 | 20357250204 |
11 | 86a7156425 |
12 | 3b41728110 |
13 | 1bc56cbba5 |
14 | db191cd64 |
15 | 7e22d7c89 |
hex | 4bd62fc9c |
20357250204 has 12 divisors (see below), whose sum is σ = 47500250504. Its totient is φ = 6785750064.
The previous prime is 20357250203. The next prime is 20357250211. The reversal of 20357250204 is 40205275302.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20357250203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848218747 + ... + 848218770.
Almost surely, 220357250204 is an apocalyptic number.
It is an amenable number.
20357250204 is an abundant number, since it is smaller than the sum of its proper divisors (27143000300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20357250204 is a wasteful number, since it uses less digits than its factorization.
20357250204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1696437524 (or 1696437522 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 30.
The spelling of 20357250204 in words is "twenty billion, three hundred fifty-seven million, two hundred fifty thousand, two hundred four".
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