Base | Representation |
---|---|
bin | 100000001111101100010… |
… | …001101101101001001011 |
3 | 21211211112221112001021221 |
4 | 200033230101231221023 |
5 | 242301101242130234 |
6 | 4413542503542511 |
7 | 316043244063052 |
oct | 40175421555113 |
9 | 7754487461257 |
10 | 2215872223819 |
11 | 784823114731 |
12 | 2b954b15aa37 |
13 | 130c5701c257 |
14 | 7936a961399 |
15 | 3c98eb07eb4 |
hex | 203ec46da4b |
2215872223819 has 2 divisors, whose sum is σ = 2215872223820. Its totient is φ = 2215872223818.
The previous prime is 2215872223781. The next prime is 2215872223843. The reversal of 2215872223819 is 9183222785122.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2215872223819 - 229 = 2215335352907 is a prime.
It is a super-2 number, since 2×22158722238192 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2215872223879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107936111909 + 1107936111910.
It is an arithmetic number, because the mean of its divisors is an integer number (1107936111910).
Almost surely, 22215872223819 is an apocalyptic number.
2215872223819 is a deficient number, since it is larger than the sum of its proper divisors (1).
2215872223819 is an equidigital number, since it uses as much as digits as its factorization.
2215872223819 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1935360, while the sum is 52.
The spelling of 2215872223819 in words is "two trillion, two hundred fifteen billion, eight hundred seventy-two million, two hundred twenty-three thousand, eight hundred nineteen".
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