Base | Representation |
---|---|
bin | 1001010101111100… |
… | …1000111001000101 |
3 | 20110210011222102021 |
4 | 2111133020321011 |
5 | 20114014434234 |
6 | 1052510243141 |
7 | 116102243155 |
oct | 22537107105 |
9 | 6423158367 |
10 | 2507968069 |
11 | 1077756592 |
12 | 59bab64b1 |
13 | 30c78c199 |
14 | 19b126765 |
15 | ea2a19b4 |
hex | 957c8e45 |
2507968069 has 4 divisors (see below), whose sum is σ = 2508600780. Its totient is φ = 2507335360.
The previous prime is 2507968063. The next prime is 2507968087. The reversal of 2507968069 is 9608697052.
It is a happy number.
2507968069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1247007969 + 1260960100 = 35313^2 + 35510^2 .
It is a cyclic number.
It is not a de Polignac number, because 2507968069 - 27 = 2507967941 is a prime.
It is a super-2 number, since 2×25079680692 = 12579807670247177522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2507968063) 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, 310372 + ... + 318349.
It is an arithmetic number, because the mean of its divisors is an integer number (627150195).
Almost surely, 22507968069 is an apocalyptic number.
It is an amenable number.
2507968069 is a deficient number, since it is larger than the sum of its proper divisors (632711).
2507968069 is an equidigital number, since it uses as much as digits as its factorization.
2507968069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 632710.
The product of its (nonzero) digits is 1632960, while the sum is 52.
The square root of 2507968069 is about 50079.6173008540. The cubic root of 2507968069 is about 1358.6491902288.
The spelling of 2507968069 in words is "two billion, five hundred seven million, nine hundred sixty-eight thousand, sixty-nine".
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