Base | Representation |
---|---|
bin | 111000011100101101… |
… | …0011100111111110111 |
3 | 102120220012011220110222 |
4 | 1300321122130333313 |
5 | 3441230403220434 |
6 | 131404435004555 |
7 | 11521000501625 |
oct | 1607132347767 |
9 | 376805156428 |
10 | 121222320119 |
11 | 4745692633a |
12 | 1b5b113975b |
13 | b57b4c5004 |
14 | 5c1d806515 |
15 | 324744e72e |
hex | 1c3969cff7 |
121222320119 has 4 divisors (see below), whose sum is σ = 121223060496. Its totient is φ = 121221579744.
The previous prime is 121222320097. The next prime is 121222320127. The reversal of 121222320119 is 911023222121.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 911023222121 = 67021 ⋅13593101.
It is a cyclic number.
It is not a de Polignac number, because 121222320119 - 28 = 121222319863 is a prime.
It is a super-2 number, since 2×1212223201192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121222320179) 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, 3554 + ... + 492399.
It is an arithmetic number, because the mean of its divisors is an integer number (30305765124).
Almost surely, 2121222320119 is an apocalyptic number.
121222320119 is a deficient number, since it is larger than the sum of its proper divisors (740377).
121222320119 is an equidigital number, since it uses as much as digits as its factorization.
121222320119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740376.
The product of its (nonzero) digits is 864, while the sum is 26.
The spelling of 121222320119 in words is "one hundred twenty-one billion, two hundred twenty-two million, three hundred twenty thousand, one hundred nineteen".
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