Base | Representation |
---|---|
bin | 110010000011… |
… | …000010111000 |
3 | 220200112210210 |
4 | 302003002320 |
5 | 11324312142 |
6 | 1145111120 |
7 | 216341526 |
oct | 62030270 |
9 | 26615723 |
10 | 13119672 |
11 | 7451005 |
12 | 44884a0 |
13 | 2944827 |
14 | 1a57316 |
15 | 124249c |
hex | c830b8 |
13119672 has 64 divisors (see below), whose sum is σ = 34272000. Its totient is φ = 4181760.
The previous prime is 13119647. The next prime is 13119677. The reversal of 13119672 is 27691131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13119677) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65829 + ... + 66027.
It is an arithmetic number, because the mean of its divisors is an integer number (535500).
Almost surely, 213119672 is an apocalyptic number.
13119672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13119672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17136000).
13119672 is an abundant number, since it is smaller than the sum of its proper divisors (21152328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13119672 is a wasteful number, since it uses less digits than its factorization.
13119672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316 (or 312 counting only the distinct ones).
The product of its digits is 2268, while the sum is 30.
The square root of 13119672 is about 3622.1087780463. The cubic root of 13119672 is about 235.8527761263.
The spelling of 13119672 in words is "thirteen million, one hundred nineteen thousand, six hundred seventy-two".
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