Base | Representation |
---|---|
bin | 11010100011001001000… |
… | …11100011110100100001 |
3 | 10020012121012001222220012 |
4 | 31101210203203310201 |
5 | 104421211322010423 |
6 | 1535022414454305 |
7 | 122622443666504 |
oct | 15214443436441 |
9 | 3205535058805 |
10 | 912220110113 |
11 | 32196351a454 |
12 | 128964804395 |
13 | 680393c94b0 |
14 | 3221a33d13b |
15 | 18ae027a078 |
hex | d4648e3d21 |
912220110113 has 4 divisors (see below), whose sum is σ = 982390887828. Its totient is φ = 842049332400.
The previous prime is 912220110103. The next prime is 912220110163. The reversal of 912220110113 is 311011022219.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311011022219 = 8009 ⋅38832691.
It can be written as a sum of positive squares in 2 ways, for example, as 490640008849 + 421580101264 = 700457^2 + 649292^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-912220110113 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (912220110103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35085388838 + ... + 35085388863.
It is an arithmetic number, because the mean of its divisors is an integer number (245597721957).
Almost surely, 2912220110113 is an apocalyptic number.
It is an amenable number.
912220110113 is a deficient number, since it is larger than the sum of its proper divisors (70170777715).
912220110113 is a wasteful number, since it uses less digits than its factorization.
912220110113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70170777714.
The product of its (nonzero) digits is 216, while the sum is 23.
The spelling of 912220110113 in words is "nine hundred twelve billion, two hundred twenty million, one hundred ten thousand, one hundred thirteen".
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