Base | Representation |
---|---|
bin | 10110100011111110… |
… | …11101111010001000 |
3 | 1011021011202200100120 |
4 | 23101333131322020 |
5 | 144301412312222 |
6 | 5321543503240 |
7 | 606112613604 |
oct | 132177357210 |
9 | 34234680316 |
10 | 12113010312 |
11 | 5156529a27 |
12 | 2420757b20 |
13 | 11b06b2130 |
14 | 82ca38504 |
15 | 4ad64515c |
hex | 2d1fdde88 |
12113010312 has 32 divisors (see below), whose sum is σ = 32611951680. Its totient is φ = 3727080000.
The previous prime is 12113010311. The next prime is 12113010353. The reversal of 12113010312 is 21301031121.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12113010291 and 12113010300.
It is not an unprimeable number, because it can be changed into a prime (12113010311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19411564 + ... + 19412187.
It is an arithmetic number, because the mean of its divisors is an integer number (1019123490).
Almost surely, 212113010312 is an apocalyptic number.
12113010312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12113010312 is an abundant number, since it is smaller than the sum of its proper divisors (20498941368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12113010312 is a wasteful number, since it uses less digits than its factorization.
12113010312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38823773 (or 38823769 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 12113010312 its reverse (21301031121), we get a palindrome (33414041433).
The spelling of 12113010312 in words is "twelve billion, one hundred thirteen million, ten thousand, three hundred twelve".
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