Base | Representation |
---|---|
bin | 11110100100111001111… |
… | …011111001010010100011 |
3 | 21102212121000012212220211 |
4 | 132210321323321102203 |
5 | 233411240004311321 |
6 | 4245141044114551 |
7 | 304543652616415 |
oct | 36447173712243 |
9 | 7385530185824 |
10 | 2101211010211 |
11 | 740133922875 |
12 | 29b28b395a57 |
13 | 1231b2c218b1 |
14 | 739b06a89b5 |
15 | 399cd6ca0e1 |
hex | 1e939ef94a3 |
2101211010211 has 8 divisors (see below), whose sum is σ = 2211999494400. Its totient is φ = 1990442369160.
The previous prime is 2101211010181. The next prime is 2101211010251. The reversal of 2101211010211 is 1120101121012.
It is a happy number.
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 2101211010211 - 231 = 2099063526563 is a prime.
It is a super-2 number, since 2×21012110102112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2101211010191 and 2101211010200.
It is not an unprimeable number, because it can be changed into a prime (2101211010251) 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, 4743175 + ... + 5167216.
It is an arithmetic number, because the mean of its divisors is an integer number (276499936800).
Almost surely, 22101211010211 is an apocalyptic number.
2101211010211 is a deficient number, since it is larger than the sum of its proper divisors (110788484189).
2101211010211 is a wasteful number, since it uses less digits than its factorization.
2101211010211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9921569.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 2101211010211 its reverse (1120101121012), we get a palindrome (3221312131223).
The spelling of 2101211010211 in words is "two trillion, one hundred one billion, two hundred eleven million, ten thousand, two hundred eleven".
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