Base | Representation |
---|---|
bin | 100001101001011001111… |
… | …011101001001001010101 |
3 | 22012001012021111200201111 |
4 | 201221121323221021111 |
5 | 300340342002300001 |
6 | 4530113252255021 |
7 | 326023334011465 |
oct | 41513173511125 |
9 | 8161167450644 |
10 | 2312201212501 |
11 | 81166533a684 |
12 | 314153611471 |
13 | 13a06911793b |
14 | 7dca8229ba5 |
15 | 4022b905851 |
hex | 21a59ee9255 |
2312201212501 has 2 divisors, whose sum is σ = 2312201212502. Its totient is φ = 2312201212500.
The previous prime is 2312201212499. The next prime is 2312201212537. The reversal of 2312201212501 is 1052121022132.
2312201212501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2299302159025 + 12899053476 = 1516345^2 + 113574^2 .
It is a cyclic number.
It is not a de Polignac number, because 2312201212501 - 21 = 2312201212499 is a prime.
Together with 2312201212499, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2312201212801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156100606250 + 1156100606251.
It is an arithmetic number, because the mean of its divisors is an integer number (1156100606251).
Almost surely, 22312201212501 is an apocalyptic number.
It is an amenable number.
2312201212501 is a deficient number, since it is larger than the sum of its proper divisors (1).
2312201212501 is an equidigital number, since it uses as much as digits as its factorization.
2312201212501 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 480, while the sum is 22.
Adding to 2312201212501 its reverse (1052121022132), we get a palindrome (3364322234633).
The spelling of 2312201212501 in words is "two trillion, three hundred twelve billion, two hundred one million, two hundred twelve thousand, five hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •