Base | Representation |
---|---|
bin | 1001100111000001100110… |
… | …11100111010010010100000 |
3 | 2202211012122112200202012111 |
4 | 10303200303130322102200 |
5 | 10232212021143004440 |
6 | 112535542003405104 |
7 | 4310513123635021 |
oct | 463406334722240 |
9 | 82735575622174 |
10 | 21132102313120 |
11 | 680808a930017 |
12 | 2453662383794 |
13 | ba3996b71a56 |
14 | 530b2905cc48 |
15 | 269a63cd34ea |
hex | 13383373a4a0 |
21132102313120 has 48 divisors (see below), whose sum is σ = 51085628748000. Its totient is φ = 8256263226624.
The previous prime is 21132102312989. The next prime is 21132102313169. The reversal of 21132102313120 is 2131320123112.
It is a junction number, because it is equal to n+sod(n) for n = 21132102313091 and 21132102313100.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535756370 + ... + 1535770129.
It is an arithmetic number, because the mean of its divisors is an integer number (1064283932250).
Almost surely, 221132102313120 is an apocalyptic number.
21132102313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21132102313120 is an abundant number, since it is smaller than the sum of its proper divisors (29953526434880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21132102313120 is a wasteful number, since it uses less digits than its factorization.
21132102313120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3071526557 (or 3071526549 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 21132102313120 its reverse (2131320123112), we get a palindrome (23263422436232).
The spelling of 21132102313120 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred two million, three hundred thirteen thousand, one hundred twenty".
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