Base | Representation |
---|---|
bin | 1001000101010101011… |
… | …11100001111111001101 |
3 | 1002211120221102010001102 |
4 | 10202222233201333031 |
5 | 20103141132411023 |
6 | 355213333552445 |
7 | 31356120125525 |
oct | 4425257417715 |
9 | 1084527363042 |
10 | 312102232013 |
11 | 1103a8634340 |
12 | 505a24a5725 |
13 | 2357b208b40 |
14 | 1116a572685 |
15 | 81b9dc5628 |
hex | 48aabe1fcd |
312102232013 has 16 divisors (see below), whose sum is σ = 372676480512. Its totient is φ = 257610456000.
The previous prime is 312102231977. The next prime is 312102232033. The reversal of 312102232013 is 310232201213.
It is a cyclic number.
It is not a de Polignac number, because 312102232013 - 210 = 312102230989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312102232033) 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, 17880893 + ... + 17898338.
It is an arithmetic number, because the mean of its divisors is an integer number (23292280032).
Almost surely, 2312102232013 is an apocalyptic number.
It is an amenable number.
312102232013 is a deficient number, since it is larger than the sum of its proper divisors (60574248499).
312102232013 is a wasteful number, since it uses less digits than its factorization.
312102232013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35779316.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 312102232013 its reverse (310232201213), we get a palindrome (622334433226).
The spelling of 312102232013 in words is "three hundred twelve billion, one hundred two million, two hundred thirty-two thousand, thirteen".
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