Base | Representation |
---|---|
bin | 1100010111011010000… |
… | …1111101100101100001 |
3 | 202022100110010101022201 |
4 | 3011312201331211201 |
5 | 11440040123341001 |
6 | 241332225333201 |
7 | 21230340210322 |
oct | 3056641754541 |
9 | 668313111281 |
10 | 212442012001 |
11 | 82106a82a4a |
12 | 3520a497201 |
13 | 17057c1485b |
14 | a3d46bc449 |
15 | 57d5906501 |
hex | 317687d961 |
212442012001 has 16 divisors (see below), whose sum is σ = 219816678400. Its totient is φ = 205190813520.
The previous prime is 212442011993. The next prime is 212442012007. The reversal of 212442012001 is 100210244212.
It is a cyclic number.
It is not a de Polignac number, because 212442012001 - 23 = 212442011993 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212442012001.
It is not an unprimeable number, because it can be changed into a prime (212442012007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318636 + ... + 1470946.
It is an arithmetic number, because the mean of its divisors is an integer number (13738542400).
Almost surely, 2212442012001 is an apocalyptic number.
It is an amenable number.
212442012001 is a deficient number, since it is larger than the sum of its proper divisors (7374666399).
212442012001 is a wasteful number, since it uses less digits than its factorization.
212442012001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152716.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 212442012001 its reverse (100210244212), we get a palindrome (312652256213).
The spelling of 212442012001 in words is "two hundred twelve billion, four hundred forty-two million, twelve thousand, one".
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