Base | Representation |
---|---|
bin | 11000100110111000… |
… | …00101010111011000 |
3 | 1021002200212220120110 |
4 | 30103130011113120 |
5 | 204024010443000 |
6 | 10022530124320 |
7 | 645244624236 |
oct | 142334052730 |
9 | 37080786513 |
10 | 13211031000 |
11 | 566a312142 |
12 | 26884206a0 |
13 | 132701bc0b |
14 | 8d47bd956 |
15 | 524c39850 |
hex | 3137055d8 |
13211031000 has 64 divisors (see below), whose sum is σ = 41218426080. Its totient is φ = 3522940800.
The previous prime is 13211030933. The next prime is 13211031013. The reversal of 13211031000 is 13011231.
It is a super-2 number, since 2×132110310002 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2198839 + ... + 2204838.
Almost surely, 213211031000 is an apocalyptic number.
13211031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13211031000 is an abundant number, since it is smaller than the sum of its proper divisors (28007395080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13211031000 is a wasteful number, since it uses less digits than its factorization.
13211031000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4403701 (or 4403687 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 13211031000 its reverse (13011231), we get a palindrome (13224042231).
The spelling of 13211031000 in words is "thirteen billion, two hundred eleven million, thirty-one thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •