Base | Representation |
---|---|
bin | 1110100011010100101… |
… | …0010100010110010000 |
3 | 212220021221002212200002 |
4 | 3220311022110112100 |
5 | 13044000000003100 |
6 | 310503131345132 |
7 | 24030142640633 |
oct | 3506512242620 |
9 | 786257085602 |
10 | 250000000400 |
11 | 9702a534587 |
12 | 405505b21a8 |
13 | 1a76208c127 |
14 | c158811c1a |
15 | 6782d192d5 |
hex | 3a35294590 |
250000000400 has 60 divisors (see below), whose sum is σ = 603117453444. Its totient is φ = 99585024000.
The previous prime is 250000000399. The next prime is 250000000403. The reversal of 250000000400 is 4000000052.
It can be written as a sum of positive squares in 6 ways, for example, as 3718072576 + 246281927824 = 60976^2 + 496268^2 .
It is a sliding number, since 250000000400 = 400 + 250000000000 and 1/400 + 1/250000000000 = 0.00250000000400.
It is not an unprimeable number, because it can be changed into a prime (250000000403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200281 + ... + 1393080.
Almost surely, 2250000000400 is an apocalyptic number.
250000000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
250000000400 is an abundant number, since it is smaller than the sum of its proper divisors (353117453044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250000000400 is a wasteful number, since it uses less digits than its factorization.
250000000400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2593620 (or 2593609 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 11.
Adding to 250000000400 its reverse (4000000052), we get a palindrome (254000000452).
It can be divided in two parts, 250000000 and 400, that multiplied together give a 11-th power (100000000000 = 1011).
The spelling of 250000000400 in words is "two hundred fifty billion, four hundred", and thus it is an aban number.
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