Base | Representation |
---|---|
bin | 100000010100101001111… |
… | …101111101100110110100 |
3 | 21212100022101210221110122 |
4 | 200110221331331212310 |
5 | 242343010230413022 |
6 | 4420223423511112 |
7 | 316322314122134 |
oct | 40245175754664 |
9 | 7770271727418 |
10 | 2221202201012 |
11 | 787008810463 |
12 | 2ba598158498 |
13 | 1315c6343402 |
14 | 7971479aac4 |
15 | 3cba29e0742 |
hex | 20529f7d9b4 |
2221202201012 has 12 divisors (see below), whose sum is σ = 3900370419876. Its totient is φ = 1106810652480.
The previous prime is 2221202200991. The next prime is 2221202201021. The reversal of 2221202201012 is 2101022021222.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1060747565476 + 1160454635536 = 1029926^2 + 1077244^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947610689 + ... + 947613032.
It is an arithmetic number, because the mean of its divisors is an integer number (325030868323).
Almost surely, 22221202201012 is an apocalyptic number.
It is an amenable number.
2221202201012 is a deficient number, since it is larger than the sum of its proper divisors (1679168218864).
2221202201012 is a wasteful number, since it uses less digits than its factorization.
2221202201012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1895224018 (or 1895224016 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2221202201012 its reverse (2101022021222), we get a palindrome (4322224222234).
The spelling of 2221202201012 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred one thousand, twelve".
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