Base | Representation |
---|---|
bin | 10000001001111110010… |
… | …101110010000110011011 |
3 | 10221010200020001121201002 |
4 | 100021332111302012123 |
5 | 121142213111424234 |
6 | 2210010101215215 |
7 | 143132213336522 |
oct | 20117625620633 |
9 | 3833606047632 |
10 | 1110221201819 |
11 | 398929a1a224 |
12 | 15b202a0150b |
13 | 809025641a2 |
14 | 3ba40b6b4b9 |
15 | 1dd2cea527e |
hex | 1027e57219b |
1110221201819 has 2 divisors, whose sum is σ = 1110221201820. Its totient is φ = 1110221201818.
The previous prime is 1110221201813. The next prime is 1110221201821. The reversal of 1110221201819 is 9181021220111.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1110221201819 - 28 = 1110221201563 is a prime.
It is a super-2 number, since 2×11102212018192 (a number of 25 digits) contains 22 as substring.
Together with 1110221201821, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1110221201791 and 1110221201800.
It is not a weakly prime, because it can be changed into another prime (1110221201813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555110600909 + 555110600910.
It is an arithmetic number, because the mean of its divisors is an integer number (555110600910).
Almost surely, 21110221201819 is an apocalyptic number.
1110221201819 is a deficient number, since it is larger than the sum of its proper divisors (1).
1110221201819 is an equidigital number, since it uses as much as digits as its factorization.
1110221201819 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 29.
The spelling of 1110221201819 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, two hundred one thousand, eight hundred nineteen".
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