Base | Representation |
---|---|
bin | 11100010101011000… |
… | …101010001011000000 |
3 | 2220112021021211002000 |
4 | 130111120222023000 |
5 | 444301412304200 |
6 | 21550522224000 |
7 | 2124631652220 |
oct | 342530521300 |
9 | 86467254060 |
10 | 30423556800 |
11 | 119a233957a |
12 | 5a90955000 |
13 | 2b3b063a20 |
14 | 16887c2080 |
15 | bd0de2300 |
hex | 71562a2c0 |
30423556800 has 1344 divisors, whose sum is σ = 139691059200. Its totient is φ = 6270566400.
The previous prime is 30423556777. The next prime is 30423556831. The reversal of 30423556800 is 865532403.
It is a happy number.
30423556800 is a `hidden beast` number, since 3 + 0 + 4 + 23 + 556 + 80 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (1344).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 279115146 + ... + 279115254.
It is an arithmetic number, because the mean of its divisors is an integer number (103936800).
Almost surely, 230423556800 is an apocalyptic number.
30423556800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30423556800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69845529600).
30423556800 is an abundant number, since it is smaller than the sum of its proper divisors (109267502400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30423556800 is a wasteful number, since it uses less digits than its factorization.
30423556800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231 (or 210 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
The spelling of 30423556800 in words is "thirty billion, four hundred twenty-three million, five hundred fifty-six thousand, eight hundred".
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