Base | Representation |
---|---|
bin | 10101100111011100… |
… | …010001001100111100 |
3 | 2012220120021102020220 |
4 | 111213130101030330 |
5 | 340013314101340 |
6 | 14355045141340 |
7 | 1451113203522 |
oct | 254734211474 |
9 | 65816242226 |
10 | 23210300220 |
11 | 99306780a8 |
12 | 45b90ba850 |
13 | 225b811873 |
14 | 11a27d2312 |
15 | 90ca00ed0 |
hex | 56771133c |
23210300220 has 48 divisors (see below), whose sum is σ = 67229840160. Its totient is φ = 5975984896.
The previous prime is 23210300167. The next prime is 23210300237. The reversal of 23210300220 is 2200301232.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 23210300220.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6667887 + ... + 6671366.
It is an arithmetic number, because the mean of its divisors is an integer number (1400621670).
Almost surely, 223210300220 is an apocalyptic number.
23210300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23210300220 is an abundant number, since it is smaller than the sum of its proper divisors (44019539940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23210300220 is a wasteful number, since it uses less digits than its factorization.
23210300220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13339294 (or 13339292 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 23210300220 its reverse (2200301232), we get a palindrome (25410601452).
The spelling of 23210300220 in words is "twenty-three billion, two hundred ten million, three hundred thousand, two hundred twenty".
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