Base | Representation |
---|---|
bin | 110100110001100001… |
… | …1100100110010101101 |
3 | 101211112020022220011111 |
4 | 1221203003210302231 |
5 | 3324100220444323 |
6 | 124021421152021 |
7 | 11121306604501 |
oct | 1514303446255 |
9 | 354466286144 |
10 | 113331031213 |
11 | 4407745a174 |
12 | 19b6a3bb611 |
13 | a8c16556aa |
14 | 56b175a301 |
15 | 2e34779c0d |
hex | 1a630e4cad |
113331031213 has 16 divisors (see below), whose sum is σ = 117537239232. Its totient is φ = 109194480000.
The previous prime is 113331031207. The next prime is 113331031241. The reversal of 113331031213 is 312130133311.
It is not a de Polignac number, because 113331031213 - 25 = 113331031181 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 (113331031273) 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, 13781443 + ... + 13789663.
It is an arithmetic number, because the mean of its divisors is an integer number (7346077452).
Almost surely, 2113331031213 is an apocalyptic number.
It is an amenable number.
113331031213 is a deficient number, since it is larger than the sum of its proper divisors (4206208019).
113331031213 is an equidigital number, since it uses as much as digits as its factorization.
113331031213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12396.
The product of its (nonzero) digits is 486, while the sum is 22.
Adding to 113331031213 its reverse (312130133311), we get a palindrome (425461164524).
The spelling of 113331031213 in words is "one hundred thirteen billion, three hundred thirty-one million, thirty-one thousand, two hundred thirteen".
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