Base | Representation |
---|---|
bin | 10110100100000000… |
… | …01100110000101100 |
3 | 1011021012010102121021 |
4 | 23102000030300230 |
5 | 144301434432340 |
6 | 5321551543524 |
7 | 606114343240 |
oct | 132200146054 |
9 | 34235112537 |
10 | 12113202220 |
11 | 5156650129 |
12 | 242082aba4 |
13 | 11b074b5a2 |
14 | 82ca88420 |
15 | 4ad681e4a |
hex | 2d200cc2c |
12113202220 has 48 divisors (see below), whose sum is σ = 29081606400. Its totient is φ = 4151680704.
The previous prime is 12113202209. The next prime is 12113202223. The reversal of 12113202220 is 2220231121.
It is a happy number.
It is a super-2 number, since 2×121132022202 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12113202194 and 12113202203.
It is not an unprimeable number, because it can be changed into a prime (12113202223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448747 + ... + 474973.
It is an arithmetic number, because the mean of its divisors is an integer number (605866800).
Almost surely, 212113202220 is an apocalyptic number.
12113202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12113202220 is an abundant number, since it is smaller than the sum of its proper divisors (16968404180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12113202220 is a wasteful number, since it uses less digits than its factorization.
12113202220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29542 (or 29540 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 12113202220 its reverse (2220231121), we get a palindrome (14333433341).
The spelling of 12113202220 in words is "twelve billion, one hundred thirteen million, two hundred two thousand, two hundred twenty".
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