Base | Representation |
---|---|
bin | 11010010000111111… |
… | …011101011111110100 |
3 | 2200210110201021012101 |
4 | 122100333131133310 |
5 | 430224300440042 |
6 | 20542254231444 |
7 | 2015611044220 |
oct | 322077353764 |
9 | 80713637171 |
10 | 28202358772 |
11 | 10a62550625 |
12 | 5570ab5584 |
13 | 2875b1c873 |
14 | 15177c7780 |
15 | b00dd96b7 |
hex | 690fdd7f4 |
28202358772 has 12 divisors (see below), whose sum is σ = 56404717600. Its totient is φ = 12086725176.
The previous prime is 28202358763. The next prime is 28202358803. The reversal of 28202358772 is 27785320282.
28202358772 is an admirable number.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 503613522 + ... + 503613577.
Almost surely, 228202358772 is an apocalyptic number.
It is an amenable number.
28202358772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28202358772 is a wasteful number, since it uses less digits than its factorization.
28202358772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1007227110 (or 1007227108 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 46.
The spelling of 28202358772 in words is "twenty-eight billion, two hundred two million, three hundred fifty-eight thousand, seven hundred seventy-two".
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