Base | Representation |
---|---|
bin | 10101101110001011… |
… | …000001110011011010 |
3 | 2020012102202101201210 |
4 | 111232023001303122 |
5 | 340231221034320 |
6 | 14414201323550 |
7 | 1453654052322 |
oct | 255613016332 |
9 | 66172671653 |
10 | 23323221210 |
11 | 9989394333 |
12 | 462aa965b6 |
13 | 227902a613 |
14 | 11b37c8282 |
15 | 9178a90e0 |
hex | 56e2c1cda |
23323221210 has 128 divisors (see below), whose sum is σ = 58293872640. Its totient is φ = 5967247104.
The previous prime is 23323221167. The next prime is 23323221211. The reversal of 23323221210 is 1212232332.
It is a happy number.
It is a super-2 number, since 2×233232212102 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23323221211) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42638157 + ... + 42638703.
It is an arithmetic number, because the mean of its divisors is an integer number (455420880).
Almost surely, 223323221210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23323221210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29146936320).
23323221210 is an abundant number, since it is smaller than the sum of its proper divisors (34970651430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23323221210 is a wasteful number, since it uses less digits than its factorization.
23323221210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1060.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 23323221210 its reverse (1212232332), we get a palindrome (24535453542).
The spelling of 23323221210 in words is "twenty-three billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred ten".
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