Base | Representation |
---|---|
bin | 11010011111111100… |
… | …011100010011110111 |
3 | 2201102221202121221210 |
4 | 122133330130103313 |
5 | 431233011210334 |
6 | 21023215212503 |
7 | 2025045266562 |
oct | 323774342367 |
9 | 81387677853 |
10 | 28453225719 |
11 | 11081116686 |
12 | 5620b17133 |
13 | 28b5aa6a49 |
14 | 153cc4b4d9 |
15 | b17e405e9 |
hex | 69ff1c4f7 |
28453225719 has 16 divisors (see below), whose sum is σ = 38075058560. Its totient is φ = 18900151200.
The previous prime is 28453225651. The next prime is 28453225727. The reversal of 28453225719 is 91752235482.
It is not a de Polignac number, because 28453225719 - 211 = 28453223671 is a prime.
It is a super-3 number, since 3×284532257193 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28453225739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4407444 + ... + 4413894.
It is an arithmetic number, because the mean of its divisors is an integer number (2379691160).
Almost surely, 228453225719 is an apocalyptic number.
28453225719 is a deficient number, since it is larger than the sum of its proper divisors (9621832841).
28453225719 is a wasteful number, since it uses less digits than its factorization.
28453225719 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11550.
The product of its digits is 1209600, while the sum is 48.
The spelling of 28453225719 in words is "twenty-eight billion, four hundred fifty-three million, two hundred twenty-five thousand, seven hundred nineteen".
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