Base | Representation |
---|---|
bin | 1010110100111111… |
… | …1100111000101001 |
3 | 21111120100121101010 |
4 | 2231033330320221 |
5 | 21423044434123 |
6 | 1200231214133 |
7 | 132013013562 |
oct | 25517747051 |
9 | 7446317333 |
10 | 2906639913 |
11 | 12617a4651 |
12 | 691517349 |
13 | 374257098 |
14 | 1d8063169 |
15 | 1202a1993 |
hex | ad3fce29 |
2906639913 has 16 divisors (see below), whose sum is σ = 3950513856. Its totient is φ = 1900622400.
The previous prime is 2906639903. The next prime is 2906639917. The reversal of 2906639913 is 3199366092.
It is a happy number.
It is not a de Polignac number, because 2906639913 - 29 = 2906639401 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2906639917) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12406 + ... + 77247.
It is an arithmetic number, because the mean of its divisors is an integer number (246907116).
Almost surely, 22906639913 is an apocalyptic number.
It is an amenable number.
2906639913 is a deficient number, since it is larger than the sum of its proper divisors (1043873943).
2906639913 is a wasteful number, since it uses less digits than its factorization.
2906639913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89864.
The product of its (nonzero) digits is 472392, while the sum is 48.
The square root of 2906639913 is about 53913.2628673131. The cubic root of 2906639913 is about 1427.1306856413.
The spelling of 2906639913 in words is "two billion, nine hundred six million, six hundred thirty-nine thousand, nine hundred thirteen".
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