Base | Representation |
---|---|
bin | 1011110110100001000010… |
… | …1101010111010001000110 |
3 | 1201010202211111200212001110 |
4 | 2331220100231113101012 |
5 | 3202000410020301202 |
6 | 43414242234505450 |
7 | 2513321362531560 |
oct | 275502055272106 |
9 | 51122744625043 |
10 | 13031211103302 |
11 | 4174561a43647 |
12 | 1565652295286 |
13 | 736ab7c31792 |
14 | 3309dd250330 |
15 | 178e8979126c |
hex | bda10b57446 |
13031211103302 has 32 divisors (see below), whose sum is σ = 31537720991232. Its totient is φ = 3504191220864.
The previous prime is 13031211103247. The next prime is 13031211103307. The reversal of 13031211103302 is 20330111213031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13031211103307) 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, 9125497258 + ... + 9125498685.
It is an arithmetic number, because the mean of its divisors is an integer number (985553780976).
Almost surely, 213031211103302 is an apocalyptic number.
13031211103302 is an abundant number, since it is smaller than the sum of its proper divisors (18506509887930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031211103302 is a wasteful number, since it uses less digits than its factorization.
13031211103302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18250995972.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 13031211103302 its reverse (20330111213031), we get a palindrome (33361322316333).
The spelling of 13031211103302 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, one hundred three thousand, three hundred two".
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