Base | Representation |
---|---|
bin | 111111000011101111… |
… | …000010010111110001 |
3 | 20110202201021221120221 |
4 | 333003233002113301 |
5 | 2102131322201131 |
6 | 51034345533041 |
7 | 4614606610315 |
oct | 770357022761 |
9 | 213681257527 |
10 | 67708397041 |
11 | 2679569692a |
12 | 111574a4181 |
13 | 650075257c |
14 | 33c4531b45 |
15 | 1b6434c411 |
hex | fc3bc25f1 |
67708397041 has 4 divisors (see below), whose sum is σ = 67786854912. Its totient is φ = 67629939172.
The previous prime is 67708397033. The next prime is 67708397063. The reversal of 67708397041 is 14079380776.
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 67708397041 - 23 = 67708397033 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 67708397041.
It is not an unprimeable number, because it can be changed into a prime (67708397021) 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, 39227641 + ... + 39229366.
It is an arithmetic number, because the mean of its divisors is an integer number (16946713728).
Almost surely, 267708397041 is an apocalyptic number.
It is an amenable number.
67708397041 is a deficient number, since it is larger than the sum of its proper divisors (78457871).
67708397041 is an equidigital number, since it uses as much as digits as its factorization.
67708397041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78457870.
The product of its (nonzero) digits is 1778112, while the sum is 52.
The spelling of 67708397041 in words is "sixty-seven billion, seven hundred eight million, three hundred ninety-seven thousand, forty-one".
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