Base | Representation |
---|---|
bin | 11000011101011110… |
… | …11011001110100000 |
3 | 1020220012120122121202 |
4 | 30032233123032200 |
5 | 203343321341300 |
6 | 10011032540332 |
7 | 643266662456 |
oct | 141657331640 |
9 | 36805518552 |
10 | 13132215200 |
11 | 562987a715 |
12 | 2665b516a8 |
13 | 13138b4850 |
14 | 8c81449d6 |
15 | 51cd6bad5 |
hex | 30ebdb3a0 |
13132215200 has 72 divisors (see below), whose sum is σ = 34525126188. Its totient is φ = 4848814080.
The previous prime is 13132215197. The next prime is 13132215209. The reversal of 13132215200 is 251223131.
It can be written as a sum of positive squares in 6 ways, for example, as 1008443536 + 12123771664 = 31756^2 + 110108^2 .
It is a super-2 number, since 2×131322152002 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (13132215209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620957 + ... + 641756.
Almost surely, 213132215200 is an apocalyptic number.
13132215200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13132215200 is an abundant number, since it is smaller than the sum of its proper divisors (21392910988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13132215200 is a wasteful number, since it uses less digits than its factorization.
13132215200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1262746 (or 1262733 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 13132215200 its reverse (251223131), we get a palindrome (13383438331).
The spelling of 13132215200 in words is "thirteen billion, one hundred thirty-two million, two hundred fifteen thousand, two hundred".
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