Base | Representation |
---|---|
bin | 10010101000110100… |
… | …100110110101000001 |
3 | 1220122200112201101211 |
4 | 102220310212311001 |
5 | 311441112411001 |
6 | 13105443330121 |
7 | 1305631110466 |
oct | 225064466501 |
9 | 56580481354 |
10 | 20012232001 |
11 | 853a424113 |
12 | 3a66080941 |
13 | 1b6c09b3c8 |
14 | d7bb8b66d |
15 | 7c1d85351 |
hex | 4a8d26d41 |
20012232001 has 8 divisors (see below), whose sum is σ = 20659927808. Its totient is φ = 19364670000.
The previous prime is 20012231959. The next prime is 20012232013. The reversal of 20012232001 is 10023221002.
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 20012232001 - 225 = 19978677569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20012232301) 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, 335146 + ... + 390316.
It is an arithmetic number, because the mean of its divisors is an integer number (2582490976).
Almost surely, 220012232001 is an apocalyptic number.
It is an amenable number.
20012232001 is a deficient number, since it is larger than the sum of its proper divisors (647695807).
20012232001 is a wasteful number, since it uses less digits than its factorization.
20012232001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66903.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20012232001 its reverse (10023221002), we get a palindrome (30035453003).
The spelling of 20012232001 in words is "twenty billion, twelve million, two hundred thirty-two thousand, one".
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