Base | Representation |
---|---|
bin | 10011010001100110… |
… | …000110001111101000 |
3 | 1222102100201200120100 |
4 | 103101212012033220 |
5 | 314341222410001 |
6 | 13301401225400 |
7 | 1331605412442 |
oct | 232146061750 |
9 | 58370650510 |
10 | 20696294376 |
11 | 886057831a |
12 | 4017192260 |
13 | 1c4aa1a444 |
14 | 1004977492 |
15 | 811e5a586 |
hex | 4d19863e8 |
20696294376 has 24 divisors (see below), whose sum is σ = 56052464130. Its totient is φ = 6898764768.
The previous prime is 20696294371. The next prime is 20696294389. The reversal of 20696294376 is 67349269602.
20696294376 is a `hidden beast` number, since 2 + 0 + 6 + 9 + 629 + 4 + 3 + 7 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 11952174276 + 8744120100 = 109326^2 + 93510^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is not an unprimeable number, because it can be changed into a prime (20696294371) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143724195 + ... + 143724338.
Almost surely, 220696294376 is an apocalyptic number.
It is an amenable number.
20696294376 is an abundant number, since it is smaller than the sum of its proper divisors (35356169754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20696294376 is a wasteful number, since it uses less digits than its factorization.
20696294376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287448545 (or 287448538 counting only the distinct ones).
The product of its (nonzero) digits is 5878656, while the sum is 54.
The spelling of 20696294376 in words is "twenty billion, six hundred ninety-six million, two hundred ninety-four thousand, three hundred seventy-six".
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