Base | Representation |
---|---|
bin | 11010001000010000… |
… | …100000111100100111 |
3 | 2200102021000001120001 |
4 | 122020100200330213 |
5 | 424424243200112 |
6 | 20515541522131 |
7 | 2012151441406 |
oct | 321020407447 |
9 | 80367001501 |
10 | 28055834407 |
11 | 10997872707 |
12 | 552ba13347 |
13 | 2851669963 |
14 | 150216563d |
15 | ae30e4c57 |
hex | 688420f27 |
28055834407 has 2 divisors, whose sum is σ = 28055834408. Its totient is φ = 28055834406.
The previous prime is 28055834357. The next prime is 28055834419. The reversal of 28055834407 is 70443855082.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28055834407 - 211 = 28055832359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28055834497) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027917203 + 14027917204.
It is an arithmetic number, because the mean of its divisors is an integer number (14027917204).
Almost surely, 228055834407 is an apocalyptic number.
28055834407 is a deficient number, since it is larger than the sum of its proper divisors (1).
28055834407 is an equidigital number, since it uses as much as digits as its factorization.
28055834407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1075200, while the sum is 46.
The spelling of 28055834407 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-four thousand, four hundred seven".
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