Base | Representation |
---|---|
bin | 10010101110000011… |
… | …011111111111001011 |
3 | 1220212210201220221101 |
4 | 102232003133333023 |
5 | 312131101202334 |
6 | 13122301122231 |
7 | 1311045240604 |
oct | 225603377713 |
9 | 56783656841 |
10 | 20100022219 |
11 | 8584a36212 |
12 | 3a8b559377 |
13 | 1b84328594 |
14 | d896c0dab |
15 | 7c9927214 |
hex | 4ae0dffcb |
20100022219 has 4 divisors (see below), whose sum is σ = 20354452960. Its totient is φ = 19845591480.
The previous prime is 20100022181. The next prime is 20100022231. The reversal of 20100022219 is 91222000102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20100022219 - 27 = 20100022091 is a prime.
It is a super-2 number, since 2×201000222192 (a number of 21 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 = 20100022196 and 20100022205.
It is not an unprimeable number, because it can be changed into a prime (20100022289) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127215252 + ... + 127215409.
It is an arithmetic number, because the mean of its divisors is an integer number (5088613240).
Almost surely, 220100022219 is an apocalyptic number.
20100022219 is a deficient number, since it is larger than the sum of its proper divisors (254430741).
20100022219 is an equidigital number, since it uses as much as digits as its factorization.
20100022219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254430740.
The product of its (nonzero) digits is 144, while the sum is 19.
The spelling of 20100022219 in words is "twenty billion, one hundred million, twenty-two thousand, two hundred nineteen".
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