Base | Representation |
---|---|
bin | 111111100011000… |
… | …1000000010100111 |
3 | 12111121022200111002 |
4 | 1333012020002213 |
5 | 13331332442411 |
6 | 551330503515 |
7 | 103561232510 |
oct | 17706100247 |
9 | 5447280432 |
10 | 2132312231 |
11 | 9a46a8815 |
12 | 4b6134b9b |
13 | 27c9c241a |
14 | 16329ba07 |
15 | c72eb33b |
hex | 7f1880a7 |
2132312231 has 8 divisors (see below), whose sum is σ = 2437222560. Its totient is φ = 1827475488.
The previous prime is 2132312209. The next prime is 2132312233. The reversal of 2132312231 is 1322132312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2132312231 is a prime.
It is a super-2 number, since 2×21323122312 = 9093510900944394722, 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 (2132312233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76025 + ... + 100221.
It is an arithmetic number, because the mean of its divisors is an integer number (304652820).
Almost surely, 22132312231 is an apocalyptic number.
2132312231 is a deficient number, since it is larger than the sum of its proper divisors (304910329).
2132312231 is a wasteful number, since it uses less digits than its factorization.
2132312231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36793.
The product of its digits is 432, while the sum is 20.
The square root of 2132312231 is about 46176.9664551495. The cubic root of 2132312231 is about 1287.1137584748.
Adding to 2132312231 its reverse (1322132312), we get a palindrome (3454444543).
The spelling of 2132312231 in words is "two billion, one hundred thirty-two million, three hundred twelve thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •