Base | Representation |
---|---|
bin | 11000101110011011… |
… | …10101010000011110 |
3 | 1021021010010120210210 |
4 | 30113031311100132 |
5 | 204141221410440 |
6 | 10033112313250 |
7 | 646644366630 |
oct | 142715652036 |
9 | 37233116723 |
10 | 13274403870 |
11 | 56a2067112 |
12 | 26a56a2826 |
13 | 13371aa160 |
14 | 8dcd98a50 |
15 | 52a5a6a80 |
hex | 31737541e |
13274403870 has 128 divisors (see below), whose sum is σ = 39250262016. Its totient is φ = 2797917696.
The previous prime is 13274403869. The next prime is 13274403907. The reversal of 13274403870 is 7830447231.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3730132 + ... + 3733688.
It is an arithmetic number, because the mean of its divisors is an integer number (306642672).
Almost surely, 213274403870 is an apocalyptic number.
13274403870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13274403870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19625131008).
13274403870 is an abundant number, since it is smaller than the sum of its proper divisors (25975858146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13274403870 is a wasteful number, since it uses less digits than its factorization.
13274403870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4954.
The product of its (nonzero) digits is 112896, while the sum is 39.
The spelling of 13274403870 in words is "thirteen billion, two hundred seventy-four million, four hundred three thousand, eight hundred seventy".
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