Base | Representation |
---|---|
bin | 1001100111000010000001… |
… | …00100001011101010101000 |
3 | 2202211020012212200102011201 |
4 | 10303201000210023222220 |
5 | 10232212444003314422 |
6 | 112540015503133544 |
7 | 4310521434662410 |
oct | 463410044135250 |
9 | 82736185612151 |
10 | 21132322323112 |
11 | 680819303a860 |
12 | 2453703ba42b4 |
13 | ba3a00613b90 |
14 | 530b4a36d640 |
15 | 269a78291727 |
hex | 13384090baa8 |
21132322323112 has 512 divisors, whose sum is σ = 55979900928000. Its totient is φ = 7208768793600.
The previous prime is 21132322323107. The next prime is 21132322323239.
21132322323112 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13451509287 + ... + 13451510857.
It is an arithmetic number, because the mean of its divisors is an integer number (109335744000).
Almost surely, 221132322323112 is an apocalyptic number.
21132322323112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 21132322323112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27989950464000).
21132322323112 is an abundant number, since it is smaller than the sum of its proper divisors (34847578604888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21132322323112 is a wasteful number, since it uses less digits than its factorization.
21132322323112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2197 (or 2193 counting only the distinct ones).
The product of its digits is 5184, while the sum is 28.
It can be divided in two parts, 2113232 and 2323112, that added together give a palindrome (4436344).
The spelling of 21132322323112 in words is "twenty-one trillion, one hundred thirty-two billion, three hundred twenty-two million, three hundred twenty-three thousand, one hundred twelve".
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