Base | Representation |
---|---|
bin | 1110100011100… |
… | …10000100100011 |
3 | 22111202102112012 |
4 | 13101302010203 |
5 | 222224231201 |
6 | 20041023135 |
7 | 3011564441 |
oct | 721620443 |
9 | 274672465 |
10 | 122102051 |
11 | 62a18095 |
12 | 34a84aab |
13 | 1c3b1946 |
14 | 12305b91 |
15 | aabd5bb |
hex | 7472123 |
122102051 has 4 divisors (see below), whose sum is σ = 122424600. Its totient is φ = 121779504.
The previous prime is 122102023. The next prime is 122102107. The reversal of 122102051 is 150201221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150201221 = 181 ⋅829841.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122102051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122102011) 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, 160706 + ... + 161463.
It is an arithmetic number, because the mean of its divisors is an integer number (30606150).
Almost surely, 2122102051 is an apocalyptic number.
122102051 is a deficient number, since it is larger than the sum of its proper divisors (322549).
122102051 is an equidigital number, since it uses as much as digits as its factorization.
122102051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322548.
The product of its (nonzero) digits is 40, while the sum is 14.
The square root of 122102051 is about 11049.9796832392. The cubic root of 122102051 is about 496.1058174227.
Adding to 122102051 its reverse (150201221), we get a palindrome (272303272).
The spelling of 122102051 in words is "one hundred twenty-two million, one hundred two thousand, fifty-one".
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