Base | Representation |
---|---|
bin | 110100001100110110… |
… | …0010101011000100101 |
3 | 101201100110022021221010 |
4 | 1220121230111120211 |
5 | 3314040122431041 |
6 | 123255332212433 |
7 | 11045642665263 |
oct | 1503154253045 |
9 | 351313267833 |
10 | 112100202021 |
11 | 435a5706a65 |
12 | 1988616a119 |
13 | a7566589b2 |
14 | 55d60c3433 |
15 | 2db169ea16 |
hex | 1a19b15625 |
112100202021 has 32 divisors (see below), whose sum is σ = 158284431360. Its totient is φ = 70425298944.
The previous prime is 112100202017. The next prime is 112100202059. The reversal of 112100202021 is 120202001211.
It is not a de Polignac number, because 112100202021 - 22 = 112100202017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 112100201988 and 112100202006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112100202121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2501605 + ... + 2546021.
It is an arithmetic number, because the mean of its divisors is an integer number (4946388480).
Almost surely, 2112100202021 is an apocalyptic number.
It is an amenable number.
112100202021 is a deficient number, since it is larger than the sum of its proper divisors (46184229339).
112100202021 is a wasteful number, since it uses less digits than its factorization.
112100202021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44985.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 112100202021 its reverse (120202001211), we get a palindrome (232302203232).
The spelling of 112100202021 in words is "one hundred twelve billion, one hundred million, two hundred two thousand, twenty-one".
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