Base | Representation |
---|---|
bin | 10001100111110101111… |
… | …100001101100010101010 |
3 | 11021202211111202021212020 |
4 | 101213311330031202222 |
5 | 124320123033342302 |
6 | 2324155314125310 |
7 | 153331002155616 |
oct | 21476574154252 |
9 | 4252744667766 |
10 | 1211012012202 |
11 | 427650789923 |
12 | 176851580836 |
13 | 8a275b59a65 |
14 | 42882c44346 |
15 | 2177b84debc |
hex | 119f5f0d8aa |
1211012012202 has 32 divisors (see below), whose sum is σ = 2427083885952. Its totient is φ = 402828244224.
The previous prime is 1211012012201. The next prime is 1211012012207. The reversal of 1211012012202 is 2022102101121.
It is not an unprimeable number, because it can be changed into a prime (1211012012201) 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, 5419798 + ... + 5638814.
It is an arithmetic number, because the mean of its divisors is an integer number (75846371436).
Almost surely, 21211012012202 is an apocalyptic number.
1211012012202 is an abundant number, since it is smaller than the sum of its proper divisors (1216071873750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1211012012202 is a wasteful number, since it uses less digits than its factorization.
1211012012202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220942.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1211012012202 its reverse (2022102101121), we get a palindrome (3233114113323).
The spelling of 1211012012202 in words is "one trillion, two hundred eleven billion, twelve million, twelve thousand, two hundred two".
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