Base | Representation |
---|---|
bin | 100000001100000110001… |
… | …000011001001011001001 |
3 | 21211110120211222121210011 |
4 | 200030012020121023021 |
5 | 242220144310133001 |
6 | 4412103412551521 |
7 | 315545460310015 |
oct | 40140610311311 |
9 | 7743524877704 |
10 | 2212011021001 |
11 | 783121610921 |
12 | 2b88520225a1 |
13 | 1307900a6562 |
14 | 790c1c1b545 |
15 | 3c815b4cd51 |
hex | 203062192c9 |
2212011021001 has 8 divisors (see below), whose sum is σ = 2344264367400. Its totient is φ = 2079994902528.
The previous prime is 2212011020993. The next prime is 2212011021049. The reversal of 2212011021001 is 1001201102122.
It can be written as a sum of positive squares in 4 ways, for example, as 820743590601 + 1391267430400 = 905949^2 + 1179520^2 .
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 2212011021001 - 23 = 2212011020993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2212011021601) 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, 59287776 + ... + 59325073.
It is an arithmetic number, because the mean of its divisors is an integer number (293033045925).
Almost surely, 22212011021001 is an apocalyptic number.
It is an amenable number.
2212011021001 is a deficient number, since it is larger than the sum of its proper divisors (132253346399).
2212011021001 is a wasteful number, since it uses less digits than its factorization.
2212011021001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118613963.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2212011021001 its reverse (1001201102122), we get a palindrome (3213212123123).
The spelling of 2212011021001 in words is "two trillion, two hundred twelve billion, eleven million, twenty-one thousand, one".
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