Base | Representation |
---|---|
bin | 11010100001100100… |
… | …001101000010001101 |
3 | 2201111211221112220020 |
4 | 122201210031002031 |
5 | 431311442114000 |
6 | 21030030212353 |
7 | 2025525425214 |
oct | 324144150215 |
9 | 81454845806 |
10 | 28480426125 |
11 | 11095504758 |
12 | 562a0540b9 |
13 | 28bb60b668 |
14 | 15426cc07b |
15 | b1a514ba0 |
hex | 6a190d08d |
28480426125 has 32 divisors (see below), whose sum is σ = 47501655552. Its totient is φ = 15154232000.
The previous prime is 28480426103. The next prime is 28480426141. The reversal of 28480426125 is 52162408482.
It is not a de Polignac number, because 28480426125 - 26 = 28480426061 is a prime.
It is a super-3 number, since 3×284804261253 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73519 + ... + 249731.
It is an arithmetic number, because the mean of its divisors is an integer number (1484426736).
Almost surely, 228480426125 is an apocalyptic number.
28480426125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28480426125 is a deficient number, since it is larger than the sum of its proper divisors (19021229427).
28480426125 is a wasteful number, since it uses less digits than its factorization.
28480426125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176662 (or 176652 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 42.
The spelling of 28480426125 in words is "twenty-eight billion, four hundred eighty million, four hundred twenty-six thousand, one hundred twenty-five".
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