Base | Representation |
---|---|
bin | 111000011100000101… |
… | …1011011111111011110 |
3 | 102120211202012112220102 |
4 | 1300320023123333132 |
5 | 3441210102402442 |
6 | 131402415021102 |
7 | 11520326441465 |
oct | 1607013337736 |
9 | 376752175812 |
10 | 121201606622 |
11 | 47446168a48 |
12 | 1b5a620a792 |
13 | b577121bc5 |
14 | 5c1ab739dc |
15 | 324570c232 |
hex | 1c382dbfde |
121201606622 has 16 divisors (see below), whose sum is σ = 184398394752. Its totient is φ = 59735802840.
The previous prime is 121201606619. The next prime is 121201606639. The reversal of 121201606622 is 226606102121.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 685733 + ... + 844175.
It is an arithmetic number, because the mean of its divisors is an integer number (11524899672).
Almost surely, 2121201606622 is an apocalyptic number.
121201606622 is a deficient number, since it is larger than the sum of its proper divisors (63196788130).
121201606622 is a wasteful number, since it uses less digits than its factorization.
121201606622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163903.
The product of its (nonzero) digits is 3456, while the sum is 29.
Adding to 121201606622 its reverse (226606102121), we get a palindrome (347807708743).
The spelling of 121201606622 in words is "one hundred twenty-one billion, two hundred one million, six hundred six thousand, six hundred twenty-two".
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