Base | Representation |
---|---|
bin | 110001000010… |
… | …001011011100 |
3 | 220012001100100 |
4 | 301002023130 |
5 | 11242311410 |
6 | 1135301100 |
7 | 214154106 |
oct | 61021334 |
9 | 26161310 |
10 | 12853980 |
11 | 728a427 |
12 | 437a790 |
13 | 2880909 |
14 | 19c8576 |
15 | 11dd8c0 |
hex | c422dc |
12853980 has 36 divisors (see below), whose sum is σ = 38990952. Its totient is φ = 3427680.
The previous prime is 12853979. The next prime is 12853991. The reversal of 12853980 is 8935821.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35526 + ... + 35885.
It is an arithmetic number, because the mean of its divisors is an integer number (1083082).
Almost surely, 212853980 is an apocalyptic number.
12853980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12853980 is an abundant number, since it is smaller than the sum of its proper divisors (26136972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12853980 is a wasteful number, since it uses less digits than its factorization.
12853980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71426 (or 71421 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 12853980 is about 3585.2447615191. The cubic root of 12853980 is about 234.2497880523.
The spelling of 12853980 in words is "twelve million, eight hundred fifty-three thousand, nine hundred eighty".
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