Base | Representation |
---|---|
bin | 10101101000101011… |
… | …010110110000000000 |
3 | 2012222000021201100110 |
4 | 111220223112300000 |
5 | 340034121013240 |
6 | 14401105351320 |
7 | 1451454342126 |
oct | 255053266000 |
9 | 65860251313 |
10 | 23231032320 |
11 | 9941348471 |
12 | 4604038540 |
13 | 2262bc0292 |
14 | 11a546b916 |
15 | 90e748c80 |
hex | 568ad6c00 |
23231032320 has 176 divisors, whose sum is σ = 76866651360. Its totient is φ = 5981208576.
The previous prime is 23231032313. The next prime is 23231032327. The reversal of 23231032320 is 2323013232.
It is an interprime number because it is at equal distance from previous prime (23231032313) and next prime (23231032327).
It is not an unprimeable number, because it can be changed into a prime (23231032327) 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, 419364 + ... + 471516.
Almost surely, 223231032320 is an apocalyptic number.
23231032320 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 23231032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38433325680).
23231032320 is an abundant number, since it is smaller than the sum of its proper divisors (53635619040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23231032320 is a wasteful number, since it uses less digits than its factorization.
23231032320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52210 (or 52192 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 23231032320 its reverse (2323013232), we get a palindrome (25554045552).
The spelling of 23231032320 in words is "twenty-three billion, two hundred thirty-one million, thirty-two thousand, three hundred twenty".
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