Base | Representation |
---|---|
bin | 110011100010111110… |
… | …100111110010101001 |
3 | 12021212021102011122021 |
4 | 303202332213302221 |
5 | 1401323001034111 |
6 | 41232032424441 |
7 | 3666365316604 |
oct | 634276476251 |
9 | 167767364567 |
10 | 55347674281 |
11 | 21522356979 |
12 | a8879a8121 |
13 | 52b094c033 |
14 | 2970a5533b |
15 | 168e0c5d71 |
hex | ce2fa7ca9 |
55347674281 has 2 divisors, whose sum is σ = 55347674282. Its totient is φ = 55347674280.
The previous prime is 55347674279. The next prime is 55347674359. The reversal of 55347674281 is 18247674355.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 52631701056 + 2715973225 = 229416^2 + 52115^2 .
It is a cyclic number.
It is not a de Polignac number, because 55347674281 - 21 = 55347674279 is a prime.
It is a super-2 number, since 2×553476742812 (a number of 22 digits) contains 22 as substring.
Together with 55347674279, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (55347674201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27673837140 + 27673837141.
It is an arithmetic number, because the mean of its divisors is an integer number (27673837141).
Almost surely, 255347674281 is an apocalyptic number.
It is an amenable number.
55347674281 is a deficient number, since it is larger than the sum of its proper divisors (1).
55347674281 is an equidigital number, since it uses as much as digits as its factorization.
55347674281 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5644800, while the sum is 52.
The spelling of 55347674281 in words is "fifty-five billion, three hundred forty-seven million, six hundred seventy-four thousand, two hundred eighty-one".
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