Base | Representation |
---|---|
bin | 1001101001111000100100… |
… | …10101101111000111010111 |
3 | 2210011121012021100200120121 |
4 | 10310330102111233013113 |
5 | 10240314204221011043 |
6 | 113053025054012411 |
7 | 4320561252160501 |
oct | 464742225570727 |
9 | 83147167320517 |
10 | 21230331032023 |
11 | 6845807437443 |
12 | 246a6b6aa7107 |
13 | bb001c708269 |
14 | 5357a6b60d71 |
15 | 26c3b2788ded |
hex | 134f1256f1d7 |
21230331032023 has 8 divisors (see below), whose sum is σ = 21236715552992. Its totient is φ = 21223947368736.
The previous prime is 21230331032017. The next prime is 21230331032069. The reversal of 21230331032023 is 32023013303212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21230331032023 - 213 = 21230331023831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21230331038023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51132886 + ... + 51546412.
It is an arithmetic number, because the mean of its divisors is an integer number (2654589444124).
Almost surely, 221230331032023 is an apocalyptic number.
21230331032023 is a deficient number, since it is larger than the sum of its proper divisors (6384520969).
21230331032023 is a wasteful number, since it uses less digits than its factorization.
21230331032023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428841.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 21230331032023 its reverse (32023013303212), we get a palindrome (53253344335235).
The spelling of 21230331032023 in words is "twenty-one trillion, two hundred thirty billion, three hundred thirty-one million, thirty-two thousand, twenty-three".
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