Base | Representation |
---|---|
bin | 111000110110000010… |
… | …0001100001100000101 |
3 | 102200002102020022200001 |
4 | 1301230010030030011 |
5 | 4000000430401432 |
6 | 132025033121301 |
7 | 11551026626521 |
oct | 1615404141405 |
9 | 380072208601 |
10 | 122072122117 |
11 | 47852592140 |
12 | 1b7a9859231 |
13 | b68559412a |
14 | 5ca0616d81 |
15 | 3296d629e7 |
hex | 1c6c10c305 |
122072122117 has 4 divisors (see below), whose sum is σ = 133169587776. Its totient is φ = 110974656460.
The previous prime is 122072122061. The next prime is 122072122129. The reversal of 122072122117 is 711221270221.
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 122072122117 - 211 = 122072120069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122072122147) 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, 5548732813 + ... + 5548732834.
It is an arithmetic number, because the mean of its divisors is an integer number (33292396944).
Almost surely, 2122072122117 is an apocalyptic number.
It is an amenable number.
122072122117 is a deficient number, since it is larger than the sum of its proper divisors (11097465659).
122072122117 is a wasteful number, since it uses less digits than its factorization.
122072122117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11097465658.
The product of its (nonzero) digits is 1568, while the sum is 28.
Adding to 122072122117 its reverse (711221270221), we get a palindrome (833293392338).
The spelling of 122072122117 in words is "one hundred twenty-two billion, seventy-two million, one hundred twenty-two thousand, one hundred seventeen".
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