Base | Representation |
---|---|
bin | 10010101110110010… |
… | …010101011111100001 |
3 | 1220220122211200220001 |
4 | 102232302111133201 |
5 | 312142222100001 |
6 | 13123420220001 |
7 | 1311254505103 |
oct | 225662253741 |
9 | 56818750801 |
10 | 20112300001 |
11 | 8590961742 |
12 | 3a9369a601 |
13 | 1b86a36b41 |
14 | d8b199573 |
15 | 7caa50001 |
hex | 4aec957e1 |
20112300001 has 16 divisors (see below), whose sum is σ = 21543211008. Its totient is φ = 18743029200.
The previous prime is 20112299993. The next prime is 20112300029. The reversal of 20112300001 is 10000321102.
It is not a de Polignac number, because 20112300001 - 23 = 20112299993 is a prime.
It is a super-2 number, since 2×201123000012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20112300101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11611 + ... + 200896.
It is an arithmetic number, because the mean of its divisors is an integer number (1346450688).
Almost surely, 220112300001 is an apocalyptic number.
It is an amenable number.
20112300001 is a deficient number, since it is larger than the sum of its proper divisors (1430911007).
20112300001 is a wasteful number, since it uses less digits than its factorization.
20112300001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212652.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 20112300001 its reverse (10000321102), we get a palindrome (30112621103).
The spelling of 20112300001 in words is "twenty billion, one hundred twelve million, three hundred thousand, one".
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