Base | Representation |
---|---|
bin | 11010001000101010… |
… | …000001010101001110 |
3 | 2200102201120202100211 |
4 | 122020222001111032 |
5 | 424433001130104 |
6 | 20520341113034 |
7 | 2012262330010 |
oct | 321052012516 |
9 | 80381522324 |
10 | 28062520654 |
11 | 109a061a133 |
12 | 55320b877a |
13 | 2852b6b10c |
14 | 1502dc61b0 |
15 | ae39b5e04 |
hex | 688a8154e |
28062520654 has 32 divisors (see below), whose sum is σ = 49877208000. Its totient is φ = 11586140160.
The previous prime is 28062520609. The next prime is 28062520663. The reversal of 28062520654 is 45602526082.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105324 + ... + 259264.
It is an arithmetic number, because the mean of its divisors is an integer number (1558662750).
Almost surely, 228062520654 is an apocalyptic number.
28062520654 is a deficient number, since it is larger than the sum of its proper divisors (21814687346).
28062520654 is a wasteful number, since it uses less digits than its factorization.
28062520654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154428.
The product of its (nonzero) digits is 230400, while the sum is 40.
The spelling of 28062520654 in words is "twenty-eight billion, sixty-two million, five hundred twenty thousand, six hundred fifty-four".
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