Base | Representation |
---|---|
bin | 11100100001010101… |
… | …010010100010011011 |
3 | 2221001020110101122222 |
4 | 130201111102202123 |
5 | 1000204221001110 |
6 | 22022442334255 |
7 | 2132614464200 |
oct | 344125224233 |
9 | 87036411588 |
10 | 30624000155 |
11 | 11a954a4641 |
12 | 5b27aba38b |
13 | 2b70744a68 |
14 | 16a727bca7 |
15 | be37d7c55 |
hex | 72155289b |
30624000155 has 24 divisors (see below), whose sum is σ = 42758960400. Its totient is φ = 20994227520.
The previous prime is 30624000149. The next prime is 30624000161. The reversal of 30624000155 is 55100042603.
It is an interprime number because it is at equal distance from previous prime (30624000149) and next prime (30624000161).
It is not a de Polignac number, because 30624000155 - 224 = 30607222939 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195421 + ... + 1220769.
It is an arithmetic number, because the mean of its divisors is an integer number (1781623350).
Almost surely, 230624000155 is an apocalyptic number.
30624000155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30624000155 is a deficient number, since it is larger than the sum of its proper divisors (12134960245).
30624000155 is a wasteful number, since it uses less digits than its factorization.
30624000155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30299 (or 30292 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
Adding to 30624000155 its reverse (55100042603), we get a palindrome (85724042758).
The spelling of 30624000155 in words is "thirty billion, six hundred twenty-four million, one hundred fifty-five", and thus it is an aban number.
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