Base | Representation |
---|---|
bin | 1110100100101… |
… | …11001010111101 |
3 | 22112001010222102 |
4 | 13102113022331 |
5 | 222244112023 |
6 | 20044154445 |
7 | 3013066460 |
oct | 722271275 |
9 | 275033872 |
10 | 122254013 |
11 | 63011282 |
12 | 34b38a25 |
13 | 1c435b6b |
14 | 123452d7 |
15 | aaed628 |
hex | 74972bd |
122254013 has 4 divisors (see below), whose sum is σ = 139718880. Its totient is φ = 104789148.
The previous prime is 122254009. The next prime is 122254051. The reversal of 122254013 is 310452221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122254013 - 22 = 122254009 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122250013) 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, 8732423 + ... + 8732436.
It is an arithmetic number, because the mean of its divisors is an integer number (34929720).
Almost surely, 2122254013 is an apocalyptic number.
It is an amenable number.
122254013 is a deficient number, since it is larger than the sum of its proper divisors (17464867).
122254013 is an equidigital number, since it uses as much as digits as its factorization.
122254013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17464866.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 122254013 is about 11056.8536663917. The cubic root of 122254013 is about 496.3115414544.
The spelling of 122254013 in words is "one hundred twenty-two million, two hundred fifty-four thousand, thirteen".
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