Base | Representation |
---|---|
bin | 101000011111101… |
… | …0010100100100001 |
3 | 10111200202120212012 |
4 | 1100333102210201 |
5 | 10240321042132 |
6 | 342455042305 |
7 | 45446224646 |
oct | 12077224441 |
9 | 3450676765 |
10 | 1358768417 |
11 | 637a97906 |
12 | 31b070395 |
13 | 1886734a6 |
14 | cc65bdcd |
15 | 7e44d0b2 |
hex | 50fd2921 |
1358768417 has 2 divisors, whose sum is σ = 1358768418. Its totient is φ = 1358768416.
The previous prime is 1358768381. The next prime is 1358768419. The reversal of 1358768417 is 7148678531.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 852698401 + 506070016 = 29201^2 + 22496^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1358768417 is a prime.
It is a super-2 number, since 2×13587684172 = 3692503222073371778, which contains 22 as substring.
Together with 1358768419, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1358768419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679384208 + 679384209.
It is an arithmetic number, because the mean of its divisors is an integer number (679384209).
Almost surely, 21358768417 is an apocalyptic number.
It is an amenable number.
1358768417 is a deficient number, since it is larger than the sum of its proper divisors (1).
1358768417 is an equidigital number, since it uses as much as digits as its factorization.
1358768417 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1128960, while the sum is 50.
The square root of 1358768417 is about 36861.4760556329. The cubic root of 1358768417 is about 1107.5971116736.
The spelling of 1358768417 in words is "one billion, three hundred fifty-eight million, seven hundred sixty-eight thousand, four hundred seventeen".
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