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122244456889 = 1138291304957
BaseRepresentation
bin111000111011001010…
…1100110000110111001
3102200112102111211112101
41301312111212012321
54000324040110024
6132054110543401
711555221511332
oct1616625460671
9380472454471
10122244456889
1147930899875
121b837507b61
13b6b21b3079
145cb9477289
1532a7054c44
hex1c765661b9

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".

Divisors: 1 113 829 93677 1304957 147460141 1081809353 122244456889