Base | Representation |
---|---|
bin | 111111100111110100… |
… | …010000001011000111 |
3 | 20112022220100202121022 |
4 | 333213310100023013 |
5 | 2104401304302241 |
6 | 51214412341355 |
7 | 4635610146416 |
oct | 774764201307 |
9 | 215286322538 |
10 | 68313744071 |
11 | 26a76367031 |
12 | 112a617485b |
13 | 6598ca0b91 |
14 | 3440aab47d |
15 | 1b9c57454b |
hex | fe7d102c7 |
68313744071 has 8 divisors (see below), whose sum is σ = 69498551760. Its totient is φ = 67129834752.
The previous prime is 68313744043. The next prime is 68313744077. The reversal of 68313744071 is 17044731386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68313744071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68313744077) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70280 + ... + 376253.
It is an arithmetic number, because the mean of its divisors is an integer number (8687318970).
Almost surely, 268313744071 is an apocalyptic number.
68313744071 is a deficient number, since it is larger than the sum of its proper divisors (1184807689).
68313744071 is a wasteful number, since it uses less digits than its factorization.
68313744071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449185.
The product of its (nonzero) digits is 338688, while the sum is 44.
The spelling of 68313744071 in words is "sixty-eight billion, three hundred thirteen million, seven hundred forty-four thousand, seventy-one".
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