Base | Representation |
---|---|
bin | 1001010101010011… |
… | …0011010101000100 |
3 | 20110121002022022202 |
4 | 2111110303111010 |
5 | 20112321231213 |
6 | 1052332214032 |
7 | 116040226040 |
oct | 22524632504 |
9 | 6417068282 |
10 | 2505258308 |
11 | 1076175713 |
12 | 59b00a318 |
13 | 30c050987 |
14 | 19aa1d020 |
15 | e9e18b58 |
hex | 95533544 |
2505258308 has 24 divisors (see below), whose sum is σ = 5145938112. Its totient is φ = 1044663264.
The previous prime is 2505258307. The next prime is 2505258331. The reversal of 2505258308 is 8038525052.
It is not an unprimeable number, because it can be changed into a prime (2505258307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208066 + ... + 1210137.
It is an arithmetic number, because the mean of its divisors is an integer number (214414088).
Almost surely, 22505258308 is an apocalyptic number.
2505258308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2505258308 is an abundant number, since it is smaller than the sum of its proper divisors (2640679804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2505258308 is a wasteful number, since it uses less digits than its factorization.
2505258308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2418251 (or 2418249 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 38.
The square root of 2505258308 is about 50052.5554592370. Note that the first 3 decimals coincide. The cubic root of 2505258308 is about 1358.1596915284.
The spelling of 2505258308 in words is "two billion, five hundred five million, two hundred fifty-eight thousand, three hundred eight".
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