Base | Representation |
---|---|
bin | 110000000011111111… |
… | …0011110100010011111 |
3 | 100212102002112100210022 |
4 | 1200013332132202133 |
5 | 3142340014034011 |
6 | 115225421302355 |
7 | 10312500211331 |
oct | 1400776364237 |
9 | 325362470708 |
10 | 103213033631 |
11 | 3a8550808a4 |
12 | 18005a049bb |
13 | 996b392886 |
14 | 4dd1a7d451 |
15 | 2a4135e8db |
hex | 1807f9e89f |
103213033631 has 2 divisors, whose sum is σ = 103213033632. Its totient is φ = 103213033630.
The previous prime is 103213033619. The next prime is 103213033633. The reversal of 103213033631 is 136330312301.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103213033631 is a prime.
It is a super-2 number, since 2×1032130336312 (a number of 23 digits) contains 22 as substring.
Together with 103213033633, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 103213033631.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103213033633) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606516815 + 51606516816.
It is an arithmetic number, because the mean of its divisors is an integer number (51606516816).
Almost surely, 2103213033631 is an apocalyptic number.
103213033631 is a deficient number, since it is larger than the sum of its proper divisors (1).
103213033631 is an equidigital number, since it uses as much as digits as its factorization.
103213033631 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2916, while the sum is 26.
Adding to 103213033631 its reverse (136330312301), we get a palindrome (239543345932).
The spelling of 103213033631 in words is "one hundred three billion, two hundred thirteen million, thirty-three thousand, six hundred thirty-one".
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