Base | Representation |
---|---|
bin | 111000111011001010… |
… | …1100110000110111001 |
3 | 102200112102111211112101 |
4 | 1301312111212012321 |
5 | 4000324040110024 |
6 | 132054110543401 |
7 | 11555221511332 |
oct | 1616625460671 |
9 | 380472454471 |
10 | 122244456889 |
11 | 47930899875 |
12 | 1b837507b61 |
13 | b6b21b3079 |
14 | 5cb9477289 |
15 | 32a7054c44 |
hex | 1c765661b9 |
122244456889 has 8 divisors (see below), whose sum is σ = 123475125960. Its totient is φ = 121016399616.
The previous prime is 122244456869. The next prime is 122244456907. The reversal of 122244456889 is 988654442221.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 7780651264 + 114463805625 = 88208^2 + 338325^2 .
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 122244456889 - 29 = 122244456377 is a prime.
It is a super-3 number, since 3×1222444568893 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a plaindrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (122244456869) 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, 558802 + ... + 746155.
It is an arithmetic number, because the mean of its divisors is an integer number (15434390745).
Almost surely, 2122244456889 is an apocalyptic number.
It is an amenable number.
122244456889 is a deficient number, since it is larger than the sum of its proper divisors (1230669071).
122244456889 is a wasteful number, since it uses less digits than its factorization.
122244456889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1305899.
The product of its digits is 8847360, while the sum is 55.
The spelling of 122244456889 in words is "one hundred twenty-two billion, two hundred forty-four million, four hundred fifty-six thousand, eight hundred eighty-nine".
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