Base | Representation |
---|---|
bin | 10011000101111111011… |
… | …000010011010100110011 |
3 | 11122102202122120221122010 |
4 | 103011333120103110303 |
5 | 132444141114233243 |
6 | 2442434341414003 |
7 | 163540053564465 |
oct | 23057730232463 |
9 | 4572678527563 |
10 | 1312102102323 |
11 | 466506480851 |
12 | 19236440a303 |
13 | 9696645a62c |
14 | 47712984135 |
15 | 241e6613433 |
hex | 1317f613533 |
1312102102323 has 4 divisors (see below), whose sum is σ = 1749469469768. Its totient is φ = 874734734880.
The previous prime is 1312102102279. The next prime is 1312102102351. The reversal of 1312102102323 is 3232012012131.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1312102102323 - 216 = 1312102036787 is a prime.
It is a super-2 number, since 2×13121021023232 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1312102102323.
It is not an unprimeable number, because it can be changed into a prime (1312102102393) 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, 218683683718 + ... + 218683683723.
It is an arithmetic number, because the mean of its divisors is an integer number (437367367442).
Almost surely, 21312102102323 is an apocalyptic number.
1312102102323 is a deficient number, since it is larger than the sum of its proper divisors (437367367445).
1312102102323 is an equidigital number, since it uses as much as digits as its factorization.
1312102102323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437367367444.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1312102102323 its reverse (3232012012131), we get a palindrome (4544114114454).
The spelling of 1312102102323 in words is "one trillion, three hundred twelve billion, one hundred two million, one hundred two thousand, three hundred twenty-three".
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