Base | Representation |
---|---|
bin | 111111110010111111… |
… | …110001111100001101 |
3 | 20112210222022101000101 |
4 | 333302333301330031 |
5 | 2110242314042331 |
6 | 51245152531101 |
7 | 4643345400424 |
oct | 776277617415 |
9 | 215728271011 |
10 | 68501315341 |
11 | 27062230108 |
12 | 11338b50a91 |
13 | 65c8ac5cb4 |
14 | 345b9762bb |
15 | 1badc76061 |
hex | ff2ff1f0d |
68501315341 has 4 divisors (see below), whose sum is σ = 68563420992. Its totient is φ = 68439209692.
The previous prime is 68501315327. The next prime is 68501315371. The reversal of 68501315341 is 14351310586.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68501315341 - 231 = 66353831693 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68501315341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68501315321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31051171 + ... + 31053376.
It is an arithmetic number, because the mean of its divisors is an integer number (17140855248).
Almost surely, 268501315341 is an apocalyptic number.
It is an amenable number.
68501315341 is a deficient number, since it is larger than the sum of its proper divisors (62105651).
68501315341 is a wasteful number, since it uses less digits than its factorization.
68501315341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62105650.
The product of its (nonzero) digits is 43200, while the sum is 37.
The spelling of 68501315341 in words is "sixty-eight billion, five hundred one million, three hundred fifteen thousand, three hundred forty-one".
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