Base | Representation |
---|---|
bin | 11000010001011010… |
… | …11001111011100111 |
3 | 1020122011011112001222 |
4 | 30020231121323213 |
5 | 203141420203221 |
6 | 5553020010555 |
7 | 640630601456 |
oct | 141055317347 |
9 | 36564145058 |
10 | 13031022311 |
11 | 5587743a2a |
12 | 2638090a5b |
13 | 12c89440b8 |
14 | 8b8922b9d |
15 | 51402d9ab |
hex | 308b59ee7 |
13031022311 has 12 divisors (see below), whose sum is σ = 13152619872. Its totient is φ = 12910500000.
The previous prime is 13031022289. The next prime is 13031022317. The reversal of 13031022311 is 11322013031.
It is not a de Polignac number, because 13031022311 - 214 = 13031005927 is a prime.
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 13031022311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13031022317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17123171 + ... + 17123931.
It is an arithmetic number, because the mean of its divisors is an integer number (1096051656).
Almost surely, 213031022311 is an apocalyptic number.
13031022311 is a deficient number, since it is larger than the sum of its proper divisors (121597561).
13031022311 is an frugal number, since it uses more digits than its factorization.
13031022311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1814 (or 1663 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13031022311 its reverse (11322013031), we get a palindrome (24353035342).
The spelling of 13031022311 in words is "thirteen billion, thirty-one million, twenty-two thousand, three hundred eleven".
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