Base | Representation |
---|---|
bin | 11010010001111111… |
… | …000010101010111011 |
3 | 2200211122002001111002 |
4 | 122101333002222323 |
5 | 430243032313412 |
6 | 20544051355215 |
7 | 2016202523066 |
oct | 322177025273 |
9 | 80748061432 |
10 | 28219026107 |
11 | 10a709a4a88 |
12 | 55765b2b0b |
13 | 28794070ac |
14 | 1519ac58dd |
15 | b025ccdc2 |
hex | 691fc2abb |
28219026107 has 2 divisors, whose sum is σ = 28219026108. Its totient is φ = 28219026106.
The previous prime is 28219026083. The next prime is 28219026133. The reversal of 28219026107 is 70162091282.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28219026107 - 222 = 28214831803 is a prime.
It is not a weakly prime, because it can be changed into another prime (28219026137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14109513053 + 14109513054.
It is an arithmetic number, because the mean of its divisors is an integer number (14109513054).
Almost surely, 228219026107 is an apocalyptic number.
28219026107 is a deficient number, since it is larger than the sum of its proper divisors (1).
28219026107 is an equidigital number, since it uses as much as digits as its factorization.
28219026107 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24192, while the sum is 38.
The spelling of 28219026107 in words is "twenty-eight billion, two hundred nineteen million, twenty-six thousand, one hundred seven".
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