Base | Representation |
---|---|
bin | 1010000011000001000… |
… | …10110111110110010100 |
3 | 1020000001202221122020110 |
4 | 11001200202313312110 |
5 | 21124001041404233 |
6 | 422331321203020 |
7 | 33640542154245 |
oct | 5014042676624 |
9 | 1200052848213 |
10 | 345217138068 |
11 | 1234510903a0 |
12 | 56aa4630470 |
13 | 26727a178ca |
14 | 129cc574ccc |
15 | 8ea71de663 |
hex | 50608b7d94 |
345217138068 has 48 divisors (see below), whose sum is σ = 878779661760. Its totient is φ = 104605881600.
The previous prime is 345217138067. The next prime is 345217138081. The reversal of 345217138068 is 860831712543.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345217138067) 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 in 15 ways as a sum of consecutive naturals, for example, 3063688 + ... + 3174368.
It is an arithmetic number, because the mean of its divisors is an integer number (18307909620).
Almost surely, 2345217138068 is an apocalyptic number.
It is an amenable number.
345217138068 is an abundant number, since it is smaller than the sum of its proper divisors (533562523692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345217138068 is a wasteful number, since it uses less digits than its factorization.
345217138068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134328 (or 134326 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 345217138068 in words is "three hundred forty-five billion, two hundred seventeen million, one hundred thirty-eight thousand, sixty-eight".
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