Base | Representation |
---|---|
bin | 1101000000011010010111… |
… | …10010011010100111000100 |
3 | 10202021021100211120012101101 |
4 | 12200031023302122213010 |
5 | 12222101241413401320 |
6 | 140455155002105444 |
7 | 6011246544633436 |
oct | 640151362324704 |
9 | 122237324505341 |
10 | 28601458731460 |
11 | 91278a08a735a |
12 | 325b1a27ab284 |
13 | 12c614bb085b4 |
14 | 70c4647c0656 |
15 | 348ec9c60c0a |
hex | 1a034bc9a9c4 |
28601458731460 has 12 divisors (see below), whose sum is σ = 60063063336108. Its totient is φ = 11440583492576.
The previous prime is 28601458731457. The next prime is 28601458731509. The reversal of 28601458731460 is 6413785410682.
It can be written as a sum of positive squares in 2 ways, for example, as 15036262586244 + 13565196145216 = 3877662^2 + 3683096^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715036468267 + ... + 715036468306.
It is an arithmetic number, because the mean of its divisors is an integer number (5005255278009).
Almost surely, 228601458731460 is an apocalyptic number.
28601458731460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28601458731460 is an abundant number, since it is smaller than the sum of its proper divisors (31461604604648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28601458731460 is a wasteful number, since it uses less digits than its factorization.
28601458731460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1430072936582 (or 1430072936580 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 55.
The spelling of 28601458731460 in words is "twenty-eight trillion, six hundred one billion, four hundred fifty-eight million, seven hundred thirty-one thousand, four hundred sixty".
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