Base | Representation |
---|---|
bin | 111111100010101… |
… | …0100010101101001 |
3 | 12111120220220222121 |
4 | 1333011110111221 |
5 | 13331304203312 |
6 | 551322151241 |
7 | 103556361214 |
oct | 17705242551 |
9 | 5446826877 |
10 | 2132100457 |
11 | 9a45736a3 |
12 | 4b6052521 |
13 | 27c949c06 |
14 | 16324477b |
15 | c72a8707 |
hex | 7f154569 |
2132100457 has 2 divisors, whose sum is σ = 2132100458. Its totient is φ = 2132100456.
The previous prime is 2132100419. The next prime is 2132100461. The reversal of 2132100457 is 7540012312.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1663334656 + 468765801 = 40784^2 + 21651^2 .
It is a cyclic number.
It is not a de Polignac number, because 2132100457 - 219 = 2131576169 is a prime.
It is not a weakly prime, because it can be changed into another prime (2132100757) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066050228 + 1066050229.
It is an arithmetic number, because the mean of its divisors is an integer number (1066050229).
Almost surely, 22132100457 is an apocalyptic number.
It is an amenable number.
2132100457 is a deficient number, since it is larger than the sum of its proper divisors (1).
2132100457 is an equidigital number, since it uses as much as digits as its factorization.
2132100457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 2132100457 is about 46174.6733285683. The cubic root of 2132100457 is about 1287.0711464768.
Adding to 2132100457 its reverse (7540012312), we get a palindrome (9672112769).
The spelling of 2132100457 in words is "two billion, one hundred thirty-two million, one hundred thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •