Base | Representation |
---|---|
bin | 10101011100001011… |
… | …010010110110000001 |
3 | 2012102101122021020021 |
4 | 111130023102312001 |
5 | 334121423113441 |
6 | 14324214213441 |
7 | 1443326554660 |
oct | 253413226601 |
9 | 65371567207 |
10 | 23021301121 |
11 | 9843a192a5 |
12 | 4565954281 |
13 | 222b609890 |
14 | 1185674dd7 |
15 | 8eb11b3d1 |
hex | 55c2d2d81 |
23021301121 has 16 divisors (see below), whose sum is σ = 28346661504. Its totient is φ = 18206457984.
The previous prime is 23021301089. The next prime is 23021301131. The reversal of 23021301121 is 12110312032.
It is not a de Polignac number, because 23021301121 - 25 = 23021301089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23021301095 and 23021301104.
It is not an unprimeable number, because it can be changed into a prime (23021301131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150501 + ... + 262093.
It is an arithmetic number, because the mean of its divisors is an integer number (1771666344).
Almost surely, 223021301121 is an apocalyptic number.
It is an amenable number.
23021301121 is a deficient number, since it is larger than the sum of its proper divisors (5325360383).
23021301121 is a wasteful number, since it uses less digits than its factorization.
23021301121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113880.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 23021301121 its reverse (12110312032), we get a palindrome (35131613153).
The spelling of 23021301121 in words is "twenty-three billion, twenty-one million, three hundred one thousand, one hundred twenty-one".
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