Base | Representation |
---|---|
bin | 110001101000… |
… | …110100110001 |
3 | 220111002111001 |
4 | 301220310301 |
5 | 11312343043 |
6 | 1142522001 |
7 | 215413441 |
oct | 61506461 |
9 | 26432431 |
10 | 13012273 |
11 | 738834a |
12 | 4436301 |
13 | 2907991 |
14 | 1a2a121 |
15 | 122074d |
hex | c68d31 |
13012273 has 16 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 11897424.
The previous prime is 13012261. The next prime is 13012291. The reversal of 13012273 is 37221031.
It is a cyclic number.
It is not a de Polignac number, because 13012273 - 213 = 13004081 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13012273.
It is not an unprimeable number, because it can be changed into a prime (13012243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58240 + ... + 58462.
It is an arithmetic number, because the mean of its divisors is an integer number (887040).
Almost surely, 213012273 is an apocalyptic number.
It is an amenable number.
13012273 is a deficient number, since it is larger than the sum of its proper divisors (1180367).
13012273 is a wasteful number, since it uses less digits than its factorization.
13012273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 13012273 is about 3607.2528328355. The cubic root of 13012273 is about 235.2074401926.
It can be divided in two parts, 130 and 12273, that added together give a triangular number (12403 = T157).
The spelling of 13012273 in words is "thirteen million, twelve thousand, two hundred seventy-three".
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