Base | Representation |
---|---|
bin | 1110111111101000… |
… | …00010101001111111 |
3 | 202210000100202101021 |
4 | 13133310002221333 |
5 | 112441240210311 |
6 | 3410441525011 |
7 | 403325160160 |
oct | 73764025177 |
9 | 22700322337 |
10 | 8049928831 |
11 | 3460a7a74a |
12 | 1687aa3767 |
13 | 9b39a4cc9 |
14 | 565183767 |
15 | 321aae171 |
hex | 1dfd02a7f |
8049928831 has 4 divisors (see below), whose sum is σ = 9199918672. Its totient is φ = 6899938992.
The previous prime is 8049928819. The next prime is 8049928849. The reversal of 8049928831 is 1388299408.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 8049928831 - 217 = 8049797759 is a prime.
It is a super-2 number, since 2×80499288312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8049928801) 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, 574994910 + ... + 574994923.
It is an arithmetic number, because the mean of its divisors is an integer number (2299979668).
Almost surely, 28049928831 is an apocalyptic number.
8049928831 is a deficient number, since it is larger than the sum of its proper divisors (1149989841).
8049928831 is a wasteful number, since it uses less digits than its factorization.
8049928831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1149989840.
The product of its (nonzero) digits is 995328, while the sum is 52.
The square root of 8049928831 is about 89721.3956144241. The cubic root of 8049928831 is about 2004.1521099430.
The spelling of 8049928831 in words is "eight billion, forty-nine million, nine hundred twenty-eight thousand, eight hundred thirty-one".
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