Base | Representation |
---|---|
bin | 110001011110… |
… | …010100110110 |
3 | 220101220111100 |
4 | 301132110312 |
5 | 11310004040 |
6 | 1141550530 |
7 | 215144166 |
oct | 61362466 |
9 | 26356440 |
10 | 12969270 |
11 | 7359006 |
12 | 4415446 |
13 | 28c1232 |
14 | 1a185a6 |
15 | 1212b30 |
hex | c5e536 |
12969270 has 24 divisors (see below), whose sum is σ = 33720336. Its totient is φ = 3458448.
The previous prime is 12969269. The next prime is 12969287. The reversal of 12969270 is 7296921.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71962 + ... + 72141.
It is an arithmetic number, because the mean of its divisors is an integer number (1405014).
Almost surely, 212969270 is an apocalyptic number.
12969270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12969270 is an abundant number, since it is smaller than the sum of its proper divisors (20751066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12969270 is a wasteful number, since it uses less digits than its factorization.
12969270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144116 (or 144113 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 12969270 is about 3601.2872698523. The cubic root of 12969270 is about 234.9480494791.
The spelling of 12969270 in words is "twelve million, nine hundred sixty-nine thousand, two hundred seventy".
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