Base | Representation |
---|---|
bin | 11100000011100011… |
… | …111011111011010100 |
3 | 2212202102121100010020 |
4 | 130003203323323110 |
5 | 443143334220340 |
6 | 21501121025140 |
7 | 2114341136211 |
oct | 340343737324 |
9 | 85672540106 |
10 | 30124523220 |
11 | 11859565190 |
12 | 5a087851b0 |
13 | 2ac1113a8c |
14 | 165abc0b08 |
15 | bb4a249d0 |
hex | 7038fbed4 |
30124523220 has 48 divisors (see below), whose sum is σ = 92016727488. Its totient is φ = 7302914560.
The previous prime is 30124523159. The next prime is 30124523269. The reversal of 30124523220 is 2232542103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22820949 + ... + 22822268.
It is an arithmetic number, because the mean of its divisors is an integer number (1917015156).
Almost surely, 230124523220 is an apocalyptic number.
30124523220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30124523220 is an abundant number, since it is smaller than the sum of its proper divisors (61892204268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30124523220 is a wasteful number, since it uses less digits than its factorization.
30124523220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45643240 (or 45643238 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
The spelling of 30124523220 in words is "thirty billion, one hundred twenty-four million, five hundred twenty-three thousand, two hundred twenty".
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