Base | Representation |
---|---|
bin | 1011110110100001000010… |
… | …1101101111101010100000 |
3 | 1201010202211111212221010120 |
4 | 2331220100231233222200 |
5 | 3202000410032000412 |
6 | 43414242241000240 |
7 | 2513321363426115 |
oct | 275502055575240 |
9 | 51122744787116 |
10 | 13031211203232 |
11 | 4174562001732 |
12 | 1565652323080 |
13 | 736ab7c68101 |
14 | 3309dd27890c |
15 | 178e897b0b8c |
hex | bda10b6faa0 |
13031211203232 has 72 divisors (see below), whose sum is σ = 34231334757984. Its totient is φ = 4340640182784.
The previous prime is 13031211203207. The next prime is 13031211203239. The reversal of 13031211203232 is 23230211213031.
13031211203232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (13031211203239) 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, 197101893 + ... + 197167995.
It is an arithmetic number, because the mean of its divisors is an integer number (475435204972).
Almost surely, 213031211203232 is an apocalyptic number.
13031211203232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13031211203232 is an abundant number, since it is smaller than the sum of its proper divisors (21200123554752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031211203232 is an frugal number, since it uses more digits than its factorization.
13031211203232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68982 (or 67541 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 13031211203232 its reverse (23230211213031), we get a palindrome (36261422416263).
The spelling of 13031211203232 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, two hundred three thousand, two hundred thirty-two".
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