Base | Representation |
---|---|
bin | 10111111111111010… |
… | …11010101000001101 |
3 | 1020020220221102100221 |
4 | 23333331122220031 |
5 | 202341330141100 |
6 | 5530253351341 |
7 | 634166046544 |
oct | 137775325015 |
9 | 36226842327 |
10 | 12884224525 |
11 | 5511899647 |
12 | 25b6a98551 |
13 | 12a43c68c3 |
14 | 8a322d15b |
15 | 5061d301a |
hex | 2fff5aa0d |
12884224525 has 12 divisors (see below), whose sum is σ = 16671066912. Its totient is φ = 9859232240.
The previous prime is 12884224519. The next prime is 12884224531. The reversal of 12884224525 is 52542248821.
It is an interprime number because it is at equal distance from previous prime (12884224519) and next prime (12884224531).
It is not a de Polignac number, because 12884224525 - 23 = 12884224517 is a prime.
It is a super-2 number, since 2×128842245252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11203099 + ... + 11204248.
It is an arithmetic number, because the mean of its divisors is an integer number (1389255576).
Almost surely, 212884224525 is an apocalyptic number.
It is an amenable number.
12884224525 is a deficient number, since it is larger than the sum of its proper divisors (3786842387).
12884224525 is a wasteful number, since it uses less digits than its factorization.
12884224525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22407380 (or 22407375 counting only the distinct ones).
The product of its digits is 409600, while the sum is 43.
The spelling of 12884224525 in words is "twelve billion, eight hundred eighty-four million, two hundred twenty-four thousand, five hundred twenty-five".
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