Base | Representation |
---|---|
bin | 10101101000000001… |
… | …011000111000110110 |
3 | 2012221020120210102021 |
4 | 111220001120320312 |
5 | 340023311443110 |
6 | 14400033503354 |
7 | 1451262002320 |
oct | 255001307066 |
9 | 65836523367 |
10 | 23220031030 |
11 | 9936113a99 |
12 | 4600411b5a |
13 | 226083aa41 |
14 | 11a3c06610 |
15 | 90d7c42da |
hex | 568058e36 |
23220031030 has 64 divisors (see below), whose sum is σ = 48724623360. Its totient is φ = 7803057024.
The previous prime is 23220031019. The next prime is 23220031031. The reversal of 23220031030 is 3013002232.
It is a junction number, because it is equal to n+sod(n) for n = 23220030995 and 23220031013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23220031031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722136 + ... + 753604.
It is an arithmetic number, because the mean of its divisors is an integer number (761322240).
Almost surely, 223220031030 is an apocalyptic number.
23220031030 is an abundant number, since it is smaller than the sum of its proper divisors (25504592330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23220031030 is a wasteful number, since it uses less digits than its factorization.
23220031030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31693.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 23220031030 its reverse (3013002232), we get a palindrome (26233033262).
The spelling of 23220031030 in words is "twenty-three billion, two hundred twenty million, thirty-one thousand, thirty".
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