Base | Representation |
---|---|
bin | 1001110101000010… |
… | …1111101000010011 |
3 | 20210212122020021100 |
4 | 2131100233220103 |
5 | 20400413143212 |
6 | 1113450155443 |
7 | 122245064106 |
oct | 23520575023 |
9 | 6725566240 |
10 | 2638412307 |
11 | 1134351243 |
12 | 617722b83 |
13 | 330801c1b |
14 | 1b05a073d |
15 | 10696bbdc |
hex | 9d42fa13 |
2638412307 has 12 divisors (see below), whose sum is σ = 3830995584. Its totient is φ = 1749731280.
The previous prime is 2638412297. The next prime is 2638412347. The reversal of 2638412307 is 7032148362.
It is a happy number.
2638412307 is a `hidden beast` number, since 2 + 638 + 4 + 12 + 3 + 0 + 7 = 666.
2638412307 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2638412307 - 210 = 2638411283 is a prime.
It is a super-2 number, since 2×26384123072 = 13922439003458124498, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2638412347) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765708 + ... + 769145.
It is an arithmetic number, because the mean of its divisors is an integer number (319249632).
Almost surely, 22638412307 is an apocalyptic number.
2638412307 is a deficient number, since it is larger than the sum of its proper divisors (1192583277).
2638412307 is a wasteful number, since it uses less digits than its factorization.
2638412307 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1535050 (or 1535047 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 2638412307 is about 51365.4777744742. The cubic root of 2638412307 is about 1381.8075290637.
The spelling of 2638412307 in words is "two billion, six hundred thirty-eight million, four hundred twelve thousand, three hundred seven".
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