Base | Representation |
---|---|
bin | 10110100110000001… |
… | …01010101111001100 |
3 | 1011022100221001001012 |
4 | 23103000222233030 |
5 | 144320301232340 |
6 | 5323354104352 |
7 | 606411111335 |
oct | 132300525714 |
9 | 34270831035 |
10 | 12130102220 |
11 | 5165143375 |
12 | 242641b0b8 |
13 | 11b40b79a2 |
14 | 83100728c |
15 | 4aedbe565 |
hex | 2d302abcc |
12130102220 has 24 divisors (see below), whose sum is σ = 26294932608. Its totient is φ = 4695523200.
The previous prime is 12130102219. The next prime is 12130102247. The reversal of 12130102220 is 2220103121.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12130102195 and 12130102204.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9781721 + ... + 9782960.
It is an arithmetic number, because the mean of its divisors is an integer number (1095622192).
Almost surely, 212130102220 is an apocalyptic number.
12130102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12130102220 is an abundant number, since it is smaller than the sum of its proper divisors (14164830388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130102220 is a wasteful number, since it uses less digits than its factorization.
12130102220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19564721 (or 19564719 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 12130102220 its reverse (2220103121), we get a palindrome (14350205341).
Subtracting from 12130102220 its reverse (2220103121), we obtain a palindrome (9909999099).
The spelling of 12130102220 in words is "twelve billion, one hundred thirty million, one hundred two thousand, two hundred twenty".
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