Base | Representation |
---|---|
bin | 11000100000001100… |
… | …11111001110100000 |
3 | 1020221210112011202210 |
4 | 30100012133032200 |
5 | 203420142204422 |
6 | 10013210042120 |
7 | 643664656536 |
oct | 142006371640 |
9 | 36853464683 |
10 | 13155038112 |
11 | 5640748927 |
12 | 2671719340 |
13 | 1318545b28 |
14 | 8cb1a6156 |
15 | 51ed7910c |
hex | 31019f3a0 |
13155038112 has 48 divisors (see below), whose sum is σ = 34784068032. Its totient is φ = 4353000960.
The previous prime is 13155038093. The next prime is 13155038119. The reversal of 13155038112 is 21183055131.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 13155038112.
It is not an unprimeable number, because it can be changed into a prime (13155038119) 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, 486964 + ... + 513267.
It is an arithmetic number, because the mean of its divisors is an integer number (724668084).
Almost surely, 213155038112 is an apocalyptic number.
13155038112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13155038112 is an abundant number, since it is smaller than the sum of its proper divisors (21629029920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13155038112 is a wasteful number, since it uses less digits than its factorization.
13155038112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1000381 (or 1000373 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 30.
The spelling of 13155038112 in words is "thirteen billion, one hundred fifty-five million, thirty-eight thousand, one hundred twelve".
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