Base | Representation |
---|---|
bin | 10111001001110101… |
… | …01011101010001100 |
3 | 1012002022012222220111 |
4 | 23210322223222030 |
5 | 200424203214040 |
6 | 5413245125404 |
7 | 620016462616 |
oct | 134472535214 |
9 | 35068188814 |
10 | 12430523020 |
11 | 52a9784a23 |
12 | 24aab59864 |
13 | 1231402186 |
14 | 85cc89db6 |
15 | 4cb462dea |
hex | 2e4eaba8c |
12430523020 has 24 divisors (see below), whose sum is σ = 26107339104. Its totient is φ = 4971591936.
The previous prime is 12430523009. The next prime is 12430523023. The reversal of 12430523020 is 2032503421.
It is a junction number, because it is equal to n+sod(n) for n = 12430522982 and 12430523000.
It is not an unprimeable number, because it can be changed into a prime (12430523023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148729 + ... + 216751.
It is an arithmetic number, because the mean of its divisors is an integer number (1087805796).
Almost surely, 212430523020 is an apocalyptic number.
12430523020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12430523020 is an abundant number, since it is smaller than the sum of its proper divisors (13676816084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12430523020 is a wasteful number, since it uses less digits than its factorization.
12430523020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77169 (or 77167 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The spelling of 12430523020 in words is "twelve billion, four hundred thirty million, five hundred twenty-three thousand, twenty".
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