Base | Representation |
---|---|
bin | 10101100010110101… |
… | …011011110001001100 |
3 | 2012201011211201101221 |
4 | 111202311123301030 |
5 | 334334022323040 |
6 | 14343244413124 |
7 | 1446154230550 |
oct | 254265336114 |
9 | 65634751357 |
10 | 23133011020 |
11 | 98a0a88629 |
12 | 45972471a4 |
13 | 22487c0302 |
14 | 1196433860 |
15 | 905d3574a |
hex | 562d5bc4c |
23133011020 has 48 divisors (see below), whose sum is σ = 56058283008. Its totient is φ = 7854310080.
The previous prime is 23133011017. The next prime is 23133011059. The reversal of 23133011020 is 2011033132.
It is a junction number, because it is equal to n+sod(n) for n = 23133010985 and 23133011003.
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, 787696 + ... + 816535.
It is an arithmetic number, because the mean of its divisors is an integer number (1167880896).
Almost surely, 223133011020 is an apocalyptic number.
23133011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23133011020 is an abundant number, since it is smaller than the sum of its proper divisors (32925271988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23133011020 is a wasteful number, since it uses less digits than its factorization.
23133011020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1604350 (or 1604348 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 23133011020 its reverse (2011033132), we get a palindrome (25144044152).
The spelling of 23133011020 in words is "twenty-three billion, one hundred thirty-three million, eleven thousand, twenty".
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