Base | Representation |
---|---|
bin | 10011100101000100… |
… | …111000101010001101 |
3 | 2000021010201202220200 |
4 | 103211010320222031 |
5 | 321023410213201 |
6 | 13354034404113 |
7 | 1342654450623 |
oct | 234504705215 |
9 | 60233652820 |
10 | 21023132301 |
11 | 8a09012506 |
12 | 40a8730639 |
13 | 1ca0653b72 |
14 | 1036135513 |
15 | 8309bb386 |
hex | 4e5138a8d |
21023132301 has 12 divisors (see below), whose sum is σ = 30368888160. Its totient is φ = 14014433160.
The previous prime is 21023132281. The next prime is 21023132311. The reversal of 21023132301 is 10323132012.
21023132301 is a `hidden beast` number, since 210 + 23 + 132 + 301 = 666.
It is not a de Polignac number, because 21023132301 - 211 = 21023130253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21023132311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66510 + ... + 215568.
It is an arithmetic number, because the mean of its divisors is an integer number (2530740680).
Almost surely, 221023132301 is an apocalyptic number.
It is an amenable number.
21023132301 is a deficient number, since it is larger than the sum of its proper divisors (9345755859).
21023132301 is a wasteful number, since it uses less digits than its factorization.
21023132301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164736 (or 164733 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 21023132301 its reverse (10323132012), we get a palindrome (31346264313).
The spelling of 21023132301 in words is "twenty-one billion, twenty-three million, one hundred thirty-two thousand, three hundred one".
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