Base | Representation |
---|---|
bin | 1001101011111110010000… |
… | …00111110110001101101100 |
3 | 2210102110102222221022211110 |
4 | 10311333020013312031230 |
5 | 10243003200140234012 |
6 | 113150014430552020 |
7 | 4326011622105441 |
oct | 465771007661554 |
9 | 83373388838743 |
10 | 21302100321132 |
11 | 6873196317614 |
12 | 24805a6368610 |
13 | bb6a1957c237 |
14 | 5390547379c8 |
15 | 26e1b338873c |
hex | 135fc81f636c |
21302100321132 has 48 divisors (see below), whose sum is σ = 50357635112960. Its totient is φ = 7007536478592.
The previous prime is 21302100321083. The next prime is 21302100321149. The reversal of 21302100321132 is 23112300120312.
It is a super-2 number, since 2×213021003211322 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 21302100321099 and 21302100321108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3231628 + ... + 7283379.
Almost surely, 221302100321132 is an apocalyptic number.
It is an amenable number.
21302100321132 is an abundant number, since it is smaller than the sum of its proper divisors (29055534791828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21302100321132 is a wasteful number, since it uses less digits than its factorization.
21302100321132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10517230 (or 10517228 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 21302100321132 its reverse (23112300120312), we get a palindrome (44414400441444).
The spelling of 21302100321132 in words is "twenty-one trillion, three hundred two billion, one hundred million, three hundred twenty-one thousand, one hundred thirty-two".
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