Base | Representation |
---|---|
bin | 1101011001001100101… |
… | …0010111000010000100 |
3 | 210222221012221120111002 |
4 | 3112103022113002010 |
5 | 12232222132430340 |
6 | 253412453232432 |
7 | 22424101465616 |
oct | 3262312270204 |
9 | 728835846432 |
10 | 230102233220 |
11 | 896497915a2 |
12 | 38718932718 |
13 | 1891092a3b2 |
14 | b1cbd3cdb6 |
15 | 5ebb044715 |
hex | 3593297084 |
230102233220 has 12 divisors (see below), whose sum is σ = 483214689804. Its totient is φ = 92040893280.
The previous prime is 230102233219. The next prime is 230102233271. The reversal of 230102233220 is 22332201032.
It can be written as a sum of positive squares in 2 ways, for example, as 42245869444 + 187856363776 = 205538^2 + 433424^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11505111661 = 230102233220 / (2 + 3 + 0 + 1 + 0 + 2 + 2 + 3 + 3 + 2 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 230102233192 and 230102233201.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5752555811 + ... + 5752555850.
It is an arithmetic number, because the mean of its divisors is an integer number (40267890817).
Almost surely, 2230102233220 is an apocalyptic number.
230102233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230102233220 is an abundant number, since it is smaller than the sum of its proper divisors (253112456584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230102233220 is a wasteful number, since it uses less digits than its factorization.
230102233220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11505111670 (or 11505111668 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 230102233220 its reverse (22332201032), we get a palindrome (252434434252).
The spelling of 230102233220 in words is "two hundred thirty billion, one hundred two million, two hundred thirty-three thousand, two hundred twenty".
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