Base | Representation |
---|---|
bin | 1110101001000… |
… | …01100011011011 |
3 | 22120002221111112 |
4 | 13110201203123 |
5 | 222420231302 |
6 | 20104250535 |
7 | 3020650133 |
oct | 724414333 |
9 | 276087445 |
10 | 122820827 |
11 | 63369118 |
12 | 35170a4b |
13 | 1c5a3b5c |
14 | 12451ac3 |
15 | abb1552 |
hex | 75218db |
122820827 has 8 divisors (see below), whose sum is σ = 124785360. Its totient is φ = 120868000.
The previous prime is 122820809. The next prime is 122820839. The reversal of 122820827 is 728028221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122820827 - 28 = 122820571 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122820793 and 122820802.
It is not an unprimeable number, because it can be changed into a prime (122820127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19577 + ... + 25077.
It is an arithmetic number, because the mean of its divisors is an integer number (15598170).
Almost surely, 2122820827 is an apocalyptic number.
122820827 is a deficient number, since it is larger than the sum of its proper divisors (1964533).
122820827 is an equidigital number, since it uses as much as digits as its factorization.
122820827 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5853.
The product of its (nonzero) digits is 7168, while the sum is 32.
The square root of 122820827 is about 11082.4558198984. The cubic root of 122820827 is about 497.0773859395.
The spelling of 122820827 in words is "one hundred twenty-two million, eight hundred twenty thousand, eight hundred twenty-seven".
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