Base | Representation |
---|---|
bin | 11100011100111111… |
… | …010111101011110000 |
3 | 2220212011100222110022 |
4 | 130130333113223300 |
5 | 1000032043121300 |
6 | 22011321023012 |
7 | 2131041310112 |
oct | 343477275360 |
9 | 86764328408 |
10 | 30551145200 |
11 | 11a58363634 |
12 | 5b07624a68 |
13 | 2b5b616914 |
14 | 169b7153b2 |
15 | bdc1e6285 |
hex | 71cfd7af0 |
30551145200 has 60 divisors (see below), whose sum is σ = 73422560328. Its totient is φ = 12216556800.
The previous prime is 30551145193. The next prime is 30551145263. The reversal of 30551145200 is 254115503.
It is a self number, because there is not a number n which added to its sum of digits gives 30551145200.
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, 1466054 + ... + 1486746.
Almost surely, 230551145200 is an apocalyptic number.
It is an amenable number.
30551145200 is an abundant number, since it is smaller than the sum of its proper divisors (42871415128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30551145200 is a wasteful number, since it uses less digits than its factorization.
30551145200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24402 (or 24391 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
The spelling of 30551145200 in words is "thirty billion, five hundred fifty-one million, one hundred forty-five thousand, two hundred".
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