Base | Representation |
---|---|
bin | 1000001100111… |
… | …00011011000111 |
3 | 11210110022022200 |
4 | 10012130123013 |
5 | 120103020101 |
6 | 10454325543 |
7 | 1463526462 |
oct | 406343307 |
9 | 153408280 |
10 | 68798151 |
11 | 35920084 |
12 | 1b0598b3 |
13 | 1133a786 |
14 | 91cc2d9 |
15 | 608e986 |
hex | 419c6c7 |
68798151 has 24 divisors (see below), whose sum is σ = 102170640. Its totient is φ = 44585856.
The previous prime is 68798141. The next prime is 68798153. The reversal of 68798151 is 15189786.
It is not a de Polignac number, because 68798151 - 26 = 68798087 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68798097 and 68798106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68798153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150315 + ... + 150771.
It is an arithmetic number, because the mean of its divisors is an integer number (4257110).
Almost surely, 268798151 is an apocalyptic number.
68798151 is a deficient number, since it is larger than the sum of its proper divisors (33372489).
68798151 is a wasteful number, since it uses less digits than its factorization.
68798151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 895 (or 892 counting only the distinct ones).
The product of its digits is 120960, while the sum is 45.
The square root of 68798151 is about 8294.4650822099. The cubic root of 68798151 is about 409.7562521048.
The spelling of 68798151 in words is "sixty-eight million, seven hundred ninety-eight thousand, one hundred fifty-one".
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