Base | Representation |
---|---|
bin | 100000000010111101… |
… | …0101100101001111011 |
3 | 20120122002121201121101 |
4 | 1000011322230221323 |
5 | 2111420100000300 |
6 | 51340452352231 |
7 | 4654251503215 |
oct | 1000572545173 |
9 | 216562551541 |
10 | 68818750075 |
11 | 27205432569 |
12 | 11407315677 |
13 | 66497b96ba |
14 | 348bba75b5 |
15 | 1bcba7ab6a |
hex | 1005eaca7b |
68818750075 has 12 divisors (see below), whose sum is σ = 87150895200. Its totient is φ = 53883616160.
The previous prime is 68818750069. The next prime is 68818750081. The reversal of 68818750075 is 57005781886.
It is an interprime number because it is at equal distance from previous prime (68818750069) and next prime (68818750081).
It is not a de Polignac number, because 68818750075 - 227 = 68684532347 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68818749998 and 68818750025.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29283400 + ... + 29285749.
It is an arithmetic number, because the mean of its divisors is an integer number (7262574600).
Almost surely, 268818750075 is an apocalyptic number.
68818750075 is a deficient number, since it is larger than the sum of its proper divisors (18332145125).
68818750075 is a wasteful number, since it uses less digits than its factorization.
68818750075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58569206 (or 58569201 counting only the distinct ones).
The product of its (nonzero) digits is 3763200, while the sum is 55.
The spelling of 68818750075 in words is "sixty-eight billion, eight hundred eighteen million, seven hundred fifty thousand, seventy-five".
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