Base | Representation |
---|---|
bin | 1000001100001… |
… | …11100000011011 |
3 | 11210021221210111 |
4 | 10012013200123 |
5 | 120042244400 |
6 | 10452425151 |
7 | 1463021626 |
oct | 406074033 |
9 | 153257714 |
10 | 68712475 |
11 | 35871777 |
12 | 1b0181b7 |
13 | 1130a790 |
14 | 91a8dbd |
15 | 60743ba |
hex | 418781b |
68712475 has 24 divisors (see below), whose sum is σ = 92619072. Its totient is φ = 50265600.
The previous prime is 68712437. The next prime is 68712481. The reversal of 68712475 is 57421786.
It is not a de Polignac number, because 68712475 - 29 = 68711963 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35790 + ... + 37660.
It is an arithmetic number, because the mean of its divisors is an integer number (3859128).
Almost surely, 268712475 is an apocalyptic number.
68712475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
68712475 is a deficient number, since it is larger than the sum of its proper divisors (23906597).
68712475 is a wasteful number, since it uses less digits than its factorization.
68712475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2007 (or 2002 counting only the distinct ones).
The product of its digits is 94080, while the sum is 40.
The square root of 68712475 is about 8289.2988243880. The cubic root of 68712475 is about 409.5860883279.
The spelling of 68712475 in words is "sixty-eight million, seven hundred twelve thousand, four hundred seventy-five".
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