Base | Representation |
---|---|
bin | 10101101101100000… |
… | …010101110100110110 |
3 | 2020011122200212200200 |
4 | 111231200111310312 |
5 | 340220334443110 |
6 | 14413121421330 |
7 | 1453456665021 |
oct | 255540256466 |
9 | 66148625620 |
10 | 23312031030 |
11 | 9983040a52 |
12 | 462719a846 |
13 | 2276910102 |
14 | 11b21141b8 |
15 | 9168e86c0 |
hex | 56d815d36 |
23312031030 has 96 divisors (see below), whose sum is σ = 61704115200. Its totient is φ = 6104682816.
The previous prime is 23312030993. The next prime is 23312031047. The reversal of 23312031030 is 3013021332.
23312031030 is a `hidden beast` number, since 2 + 331 + 20 + 310 + 3 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23312030994 and 23312031012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6938491 + ... + 6941849.
It is an arithmetic number, because the mean of its divisors is an integer number (642751200).
Almost surely, 223312031030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23312031030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30852057600).
23312031030 is an abundant number, since it is smaller than the sum of its proper divisors (38392084170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23312031030 is a wasteful number, since it uses less digits than its factorization.
23312031030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4738 (or 4735 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 23312031030 its reverse (3013021332), we get a palindrome (26325052362).
The spelling of 23312031030 in words is "twenty-three billion, three hundred twelve million, thirty-one thousand, thirty".
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