Base | Representation |
---|---|
bin | 1101011010000011010… |
… | …0101011010010010000 |
3 | 211000112012012222101220 |
4 | 3112200310223102100 |
5 | 12233204321230112 |
6 | 253451321525040 |
7 | 22432553565114 |
oct | 3264064532220 |
9 | 730465188356 |
10 | 230331430032 |
11 | 897570a6550 |
12 | 38781643780 |
13 | 18949267c02 |
14 | b210561744 |
15 | 5ed121998c |
hex | 35a0d2b490 |
230331430032 has 40 divisors (see below), whose sum is σ = 649115849760. Its totient is φ = 69797402880.
The previous prime is 230331430031. The next prime is 230331430039. The reversal of 230331430032 is 230034133032.
It is a happy number.
It is a super-2 number, since 2×2303314300322 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 230331429984 and 230331430011.
It is not an unprimeable number, because it can be changed into a prime (230331430031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218116357 + ... + 218117412.
It is an arithmetic number, because the mean of its divisors is an integer number (16227896244).
Almost surely, 2230331430032 is an apocalyptic number.
230331430032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
230331430032 is an abundant number, since it is smaller than the sum of its proper divisors (418784419728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230331430032 is a wasteful number, since it uses less digits than its factorization.
230331430032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436233791 (or 436233785 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 24.
Adding to 230331430032 its reverse (230034133032), we get a palindrome (460365563064).
The spelling of 230331430032 in words is "two hundred thirty billion, three hundred thirty-one million, four hundred thirty thousand, thirty-two".
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