Base | Representation |
---|---|
bin | 111111111101000101… |
… | …110101010000110111 |
3 | 20120020202222200101101 |
4 | 333331011311100313 |
5 | 2111114143031400 |
6 | 51314042510531 |
7 | 4650503045401 |
oct | 777505652067 |
9 | 216222880341 |
10 | 68670673975 |
11 | 27139894822 |
12 | 11385805447 |
13 | 6624c123c7 |
14 | 347625db71 |
15 | 1bbda7b56a |
hex | ffd175437 |
68670673975 has 12 divisors (see below), whose sum is σ = 88087899960. Its totient is φ = 53042175200.
The previous prime is 68670673949. The next prime is 68670673999. The reversal of 68670673975 is 57937607686.
It is not a de Polignac number, because 68670673975 - 219 = 68670149687 is a prime.
It is a super-2 number, since 2×686706739752 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47358361 + ... + 47359810.
It is an arithmetic number, because the mean of its divisors is an integer number (7340658330).
Almost surely, 268670673975 is an apocalyptic number.
68670673975 is a deficient number, since it is larger than the sum of its proper divisors (19417225985).
68670673975 is a wasteful number, since it uses less digits than its factorization.
68670673975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94718210 (or 94718205 counting only the distinct ones).
The product of its (nonzero) digits is 80015040, while the sum is 64.
The spelling of 68670673975 in words is "sixty-eight billion, six hundred seventy million, six hundred seventy-three thousand, nine hundred seventy-five".
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