Base | Representation |
---|---|
bin | 110000100111… |
… | …000000011000 |
3 | 212222101200010 |
4 | 300213000120 |
5 | 11230231210 |
6 | 1133041520 |
7 | 213211446 |
oct | 60470030 |
9 | 25871603 |
10 | 12742680 |
11 | 7213845 |
12 | 43262a0 |
13 | 2842062 |
14 | 1999b96 |
15 | 11ba920 |
hex | c27018 |
12742680 has 32 divisors (see below), whose sum is σ = 38228400. Its totient is φ = 3398016.
The previous prime is 12742679. The next prime is 12742693. The reversal of 12742680 is 8624721.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52975 + ... + 53214.
Almost surely, 212742680 is an apocalyptic number.
12742680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12742680 is an abundant number, since it is smaller than the sum of its proper divisors (25485720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12742680 is a wasteful number, since it uses less digits than its factorization.
12742680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106203 (or 106199 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 12742680 is about 3569.6890620893. The cubic root of 12742680 is about 233.5717200863.
The spelling of 12742680 in words is "twelve million, seven hundred forty-two thousand, six hundred eighty".
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