Base | Representation |
---|---|
bin | 111000010110111111… |
… | …0011111111000011010 |
3 | 102120101211010111220022 |
4 | 1300231332133320122 |
5 | 3440332243130042 |
6 | 131333422230442 |
7 | 11513150534003 |
oct | 1605576377032 |
9 | 376354114808 |
10 | 121030442522 |
11 | 47368590910 |
12 | 1b558a25422 |
13 | b54a822a82 |
14 | 5c0213a1aa |
15 | 323569bcd2 |
hex | 1c2df9fe1a |
121030442522 has 64 divisors (see below), whose sum is σ = 205642229760. Its totient is φ = 52945401600.
The previous prime is 121030442521. The next prime is 121030442531. The reversal of 121030442522 is 225244030121.
It is a super-2 number, since 2×1210304425222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121030442491 and 121030442500.
It is not an unprimeable number, because it can be changed into a prime (121030442521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44315897 + ... + 44318627.
It is an arithmetic number, because the mean of its divisors is an integer number (3213159840).
Almost surely, 2121030442522 is an apocalyptic number.
121030442522 is a deficient number, since it is larger than the sum of its proper divisors (84611787238).
121030442522 is a wasteful number, since it uses less digits than its factorization.
121030442522 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3459.
The product of its (nonzero) digits is 3840, while the sum is 26.
Adding to 121030442522 its reverse (225244030121), we get a palindrome (346274472643).
The spelling of 121030442522 in words is "one hundred twenty-one billion, thirty million, four hundred forty-two thousand, five hundred twenty-two".
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