Base | Representation |
---|---|
bin | 111111101010010010… |
… | …011111001000111101 |
3 | 20112102210102011112121 |
4 | 333222102133020331 |
5 | 2104442414133000 |
6 | 51222453402541 |
7 | 4636622550466 |
oct | 775222371075 |
9 | 215383364477 |
10 | 68355224125 |
11 | 26a97818671 |
12 | 112b8039451 |
13 | 65a47652a6 |
14 | 34463c7d6d |
15 | 1ba1019b1a |
hex | fea49f23d |
68355224125 has 32 divisors (see below), whose sum is σ = 91885622400. Its totient is φ = 50601196800.
The previous prime is 68355224107. The next prime is 68355224243. The reversal of 68355224125 is 52142255386.
It is not a de Polignac number, because 68355224125 - 219 = 68354699837 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232540 + ... + 436789.
It is an arithmetic number, because the mean of its divisors is an integer number (2871425700).
Almost surely, 268355224125 is an apocalyptic number.
It is an amenable number.
68355224125 is a deficient number, since it is larger than the sum of its proper divisors (23530398275).
68355224125 is a wasteful number, since it uses less digits than its factorization.
68355224125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669406 (or 669396 counting only the distinct ones).
The product of its digits is 576000, while the sum is 43.
The spelling of 68355224125 in words is "sixty-eight billion, three hundred fifty-five million, two hundred twenty-four thousand, one hundred twenty-five".
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