Base | Representation |
---|---|
bin | 110000010111… |
… | …110011101101 |
3 | 212212020021112 |
4 | 300113303231 |
5 | 11221233204 |
6 | 1131441405 |
7 | 212532116 |
oct | 60276355 |
9 | 25766245 |
10 | 12680429 |
11 | 7180aa3 |
12 | 42b6265 |
13 | 281c918 |
14 | 198120d |
15 | 11a726e |
hex | c17ced |
12680429 has 8 divisors (see below), whose sum is σ = 13928640. Its totient is φ = 11490336.
The previous prime is 12680413. The next prime is 12680431. The reversal of 12680429 is 92408621.
12680429 = 2322 + 2332 + ... + 3692.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12680429 - 24 = 12680413 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12680395 and 12680404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12680489) 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, 14072 + ... + 14945.
It is an arithmetic number, because the mean of its divisors is an integer number (1741080).
Almost surely, 212680429 is an apocalyptic number.
12680429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
12680429 is a deficient number, since it is larger than the sum of its proper divisors (1248211).
12680429 is a wasteful number, since it uses less digits than its factorization.
12680429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29059.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 12680429 is about 3560.9590000448. The cubic root of 12680429 is about 233.1907480341.
The spelling of 12680429 in words is "twelve million, six hundred eighty thousand, four hundred twenty-nine".
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