Base | Representation |
---|---|
bin | 10111011110101011… |
… | …11110011110010010 |
3 | 1012112111101012210100 |
4 | 23233111332132102 |
5 | 201303443401010 |
6 | 5442454313230 |
7 | 624242362320 |
oct | 135725763622 |
9 | 35474335710 |
10 | 12605450130 |
11 | 53894a2289 |
12 | 2539658816 |
13 | 125b71b040 |
14 | 8781c2d10 |
15 | 4db9b82c0 |
hex | 2ef57e792 |
12605450130 has 96 divisors (see below), whose sum is σ = 40337466624. Its totient is φ = 2659609728.
The previous prime is 12605450107. The next prime is 12605450141. The reversal of 12605450130 is 3105450621.
12605450130 is a `hidden beast` number, since 1 + 2 + 605 + 4 + 50 + 1 + 3 + 0 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 12605450094 and 12605450103.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 761374 + ... + 777753.
It is an arithmetic number, because the mean of its divisors is an integer number (420181944).
Almost surely, 212605450130 is an apocalyptic number.
12605450130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12605450130 is an abundant number, since it is smaller than the sum of its proper divisors (27732016494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12605450130 is a wasteful number, since it uses less digits than its factorization.
12605450130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1539160 (or 1539157 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 12605450130 in words is "twelve billion, six hundred five million, four hundred fifty thousand, one hundred thirty".
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