Base | Representation |
---|---|
bin | 111111100001001… |
… | …0000111110000101 |
3 | 12111112102021021112 |
4 | 1333002100332011 |
5 | 13331103101404 |
6 | 551253054405 |
7 | 103546516202 |
oct | 17702207605 |
9 | 5445367245 |
10 | 2131300229 |
11 | 9a4077453 |
12 | 4b5927405 |
13 | 27c7298c6 |
14 | 1630b6ca9 |
15 | c719b56e |
hex | 7f090f85 |
2131300229 has 4 divisors (see below), whose sum is σ = 2139593484. Its totient is φ = 2123006976.
The previous prime is 2131300153. The next prime is 2131300273. The reversal of 2131300229 is 9220031312.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2115816004 + 15484225 = 45998^2 + 3935^2 .
It is a cyclic number.
It is not a de Polignac number, because 2131300229 - 212 = 2131296133 is a prime.
It is a super-2 number, since 2×21313002292 = 9084881332270904882, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131300279) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4146242 + ... + 4146755.
It is an arithmetic number, because the mean of its divisors is an integer number (534898371).
Almost surely, 22131300229 is an apocalyptic number.
It is an amenable number.
2131300229 is a deficient number, since it is larger than the sum of its proper divisors (8293255).
2131300229 is an equidigital number, since it uses as much as digits as its factorization.
2131300229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8293254.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 2131300229 is about 46166.0072889133. The cubic root of 2131300229 is about 1286.9101035253.
The spelling of 2131300229 in words is "two billion, one hundred thirty-one million, three hundred thousand, two hundred twenty-nine".
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