Base | Representation |
---|---|
bin | 11000101110001100… |
… | …01101100100001000 |
3 | 1021020222101002121222 |
4 | 30113012031210020 |
5 | 204140214000110 |
6 | 10033001421212 |
7 | 646621410020 |
oct | 142706154410 |
9 | 37228332558 |
10 | 13272406280 |
11 | 56a0a22311 |
12 | 26a4a9a808 |
13 | 133695ab53 |
14 | 8dc9d8a80 |
15 | 52a30ec55 |
hex | 31718d908 |
13272406280 has 128 divisors (see below), whose sum is σ = 34853587200. Its totient is φ = 4454341632.
The previous prime is 13272406267. The next prime is 13272406283. The reversal of 13272406280 is 8260427231.
It is a super-2 number, since 2×132724062802 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 13272406280.
It is not an unprimeable number, because it can be changed into a prime (13272406283) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9096191 + ... + 9097649.
It is an arithmetic number, because the mean of its divisors is an integer number (272293650).
Almost surely, 213272406280 is an apocalyptic number.
13272406280 is a gapful number since it is divisible by the number (10) 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 13272406280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17426793600).
13272406280 is an abundant number, since it is smaller than the sum of its proper divisors (21581180920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13272406280 is a wasteful number, since it uses less digits than its factorization.
13272406280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2143 (or 2139 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
The spelling of 13272406280 in words is "thirteen billion, two hundred seventy-two million, four hundred six thousand, two hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •