Base | Representation |
---|---|
bin | 10101011100110001… |
… | …100011110100000100 |
3 | 2012110002111220011000 |
4 | 111130301203310010 |
5 | 334132010111400 |
6 | 14325213213300 |
7 | 1443511043550 |
oct | 253461436404 |
9 | 65402456130 |
10 | 23031332100 |
11 | 984964a767 |
12 | 4569191230 |
13 | 223070c57a |
14 | 1186b26860 |
15 | 8ebe4d600 |
hex | 55cc63d04 |
23031332100 has 288 divisors, whose sum is σ = 85783120640. Its totient is φ = 5191879680.
The previous prime is 23031332083. The next prime is 23031332101. The reversal of 23031332100 is 123313032.
23031332100 is a `hidden beast` number, since 2 + 30 + 313 + 321 + 0 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (23031332101) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1371354 + ... + 1388046.
Almost surely, 223031332100 is an apocalyptic number.
23031332100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23031332100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42891560320).
23031332100 is an abundant number, since it is smaller than the sum of its proper divisors (62751788540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23031332100 is a wasteful number, since it uses less digits than its factorization.
23031332100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16796 (or 16783 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 23031332100 its reverse (123313032), we get a palindrome (23154645132).
The spelling of 23031332100 in words is "twenty-three billion, thirty-one million, three hundred thirty-two thousand, one hundred".
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