Base | Representation |
---|---|
bin | 1001100110011000011100… |
… | …01011010111100111110000 |
3 | 2202202002121100021200020211 |
4 | 10303030032023113213300 |
5 | 10231331241020334300 |
6 | 112521445011513504 |
7 | 4306101350254426 |
oct | 463141613274760 |
9 | 82662540250224 |
10 | 21110002121200 |
11 | 67a97799517a3 |
12 | 244b314bb8894 |
13 | ba188433cb05 |
14 | 52da2dc7b116 |
15 | 2691bd9b34ba |
hex | 13330e2d79f0 |
21110002121200 has 60 divisors (see below), whose sum is σ = 50738521207608. Its totient is φ = 8440381100800.
The previous prime is 21110002121189. The next prime is 21110002121231. The reversal of 21110002121200 is 212120001112.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10377346 + ... + 12243745.
Almost surely, 221110002121200 is an apocalyptic number.
21110002121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21110002121200 is an abundant number, since it is smaller than the sum of its proper divisors (29628519086408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21110002121200 is a wasteful number, since it uses less digits than its factorization.
21110002121200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22623442 (or 22623431 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 21110002121200 its reverse (212120001112), we get a palindrome (21322122122312).
The spelling of 21110002121200 in words is "twenty-one trillion, one hundred ten billion, two million, one hundred twenty-one thousand, two hundred".
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