Base | Representation |
---|---|
bin | 11010001000101000… |
… | …100110110011110010 |
3 | 2200102200212220202020 |
4 | 122020220212303302 |
5 | 424432402243444 |
6 | 20520325132310 |
7 | 2012256224013 |
oct | 321050466362 |
9 | 80380786666 |
10 | 28062149874 |
11 | 109a0396600 |
12 | 5531b5a096 |
13 | 2852a6b415 |
14 | 1502d2b00a |
15 | ae3941119 |
hex | 688a26cf2 |
28062149874 has 24 divisors (see below), whose sum is σ = 61690347600. Its totient is φ = 8503681560.
The previous prime is 28062149861. The next prime is 28062149939. The reversal of 28062149874 is 47894126082.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19325824 + ... + 19327275.
It is an arithmetic number, because the mean of its divisors is an integer number (2570431150).
Almost surely, 228062149874 is an apocalyptic number.
28062149874 is an abundant number, since it is smaller than the sum of its proper divisors (33628197726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28062149874 is a wasteful number, since it uses less digits than its factorization.
28062149874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38653126 (or 38653115 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 51.
The spelling of 28062149874 in words is "twenty-eight billion, sixty-two million, one hundred forty-nine thousand, eight hundred seventy-four".
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