Base | Representation |
---|---|
bin | 1001001111000110101101… |
… | …10111110001111001101111 |
3 | 2122220122012110220122010002 |
4 | 10213203112313301321233 |
5 | 10130230302320301111 |
6 | 111110214245534515 |
7 | 4164235642164050 |
oct | 447432667617157 |
9 | 78818173818102 |
10 | 20310210322031 |
11 | 652056a271403 |
12 | 234030841443b |
13 | b4432455c3c6 |
14 | 50303b430727 |
15 | 2534adaea63b |
hex | 1278d6df1e6f |
20310210322031 has 16 divisors (see below), whose sum is σ = 24582377501184. Its totient is φ = 16403314381344.
The previous prime is 20310210322013. The next prime is 20310210322037. The reversal of 20310210322031 is 13022301201302.
It is a cyclic number.
It is not a de Polignac number, because 20310210322031 - 222 = 20310206127727 is a prime.
It is a super-2 number, since 2×203102103220312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20310210321994 and 20310210322012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310210322037) 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, 941409920 + ... + 941431493.
It is an arithmetic number, because the mean of its divisors is an integer number (1536398593824).
Almost surely, 220310210322031 is an apocalyptic number.
20310210322031 is a deficient number, since it is larger than the sum of its proper divisors (4272167179153).
20310210322031 is a wasteful number, since it uses less digits than its factorization.
20310210322031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1882841510.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 20310210322031 its reverse (13022301201302), we get a palindrome (33332511523333).
The spelling of 20310210322031 in words is "twenty trillion, three hundred ten billion, two hundred ten million, three hundred twenty-two thousand, thirty-one".
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