Base | Representation |
---|---|
bin | 1110100011011… |
… | …01111000010111 |
3 | 22111201112222111 |
4 | 13101231320113 |
5 | 222223204022 |
6 | 20040411451 |
7 | 3011463421 |
oct | 721557027 |
9 | 274645874 |
10 | 122084887 |
11 | 62a06201 |
12 | 34a76b87 |
13 | 1c3a6ba2 |
14 | 122dd811 |
15 | aab8477 |
hex | 746de17 |
122084887 has 4 divisors (see below), whose sum is σ = 122121576. Its totient is φ = 122048200.
The previous prime is 122084873. The next prime is 122084891. The reversal of 122084887 is 788480221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788480221 = 19 ⋅41498959.
It is a cyclic number.
It is not a de Polignac number, because 122084887 - 211 = 122082839 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122084857) 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, 12793 + ... + 20194.
It is an arithmetic number, because the mean of its divisors is an integer number (30530394).
Almost surely, 2122084887 is an apocalyptic number.
122084887 is a deficient number, since it is larger than the sum of its proper divisors (36689).
122084887 is an equidigital number, since it uses as much as digits as its factorization.
122084887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36688.
The product of its (nonzero) digits is 57344, while the sum is 40.
The square root of 122084887 is about 11049.2030029319. The cubic root of 122084887 is about 496.0825703131.
The spelling of 122084887 in words is "one hundred twenty-two million, eighty-four thousand, eight hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •