Base | Representation |
---|---|
bin | 111001000000101000… |
… | …111100110010010111 |
3 | 12212000002222100100012 |
4 | 321000220330302113 |
5 | 2000331242044321 |
6 | 44042112510435 |
7 | 4264640400566 |
oct | 710050746227 |
9 | 185002870305 |
10 | 61214018711 |
11 | 23a6279930a |
12 | ba4454b41b |
13 | 5a0711c461 |
14 | 2d69bd1bdd |
15 | 18d410c05b |
hex | e40a3cc97 |
61214018711 has 2 divisors, whose sum is σ = 61214018712. Its totient is φ = 61214018710.
The previous prime is 61214018687. The next prime is 61214018713. The reversal of 61214018711 is 11781041216.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 61214018711 - 210 = 61214017687 is a prime.
Together with 61214018713, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (61214018713) 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, 30607009355 + 30607009356.
It is an arithmetic number, because the mean of its divisors is an integer number (30607009356).
Almost surely, 261214018711 is an apocalyptic number.
61214018711 is a deficient number, since it is larger than the sum of its proper divisors (1).
61214018711 is an equidigital number, since it uses as much as digits as its factorization.
61214018711 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2688, while the sum is 32.
Adding to 61214018711 its reverse (11781041216), we get a palindrome (72995059927).
The spelling of 61214018711 in words is "sixty-one billion, two hundred fourteen million, eighteen thousand, seven hundred eleven".
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