Base | Representation |
---|---|
bin | 1000010100010010010… |
… | …01101100101110111100 |
3 | 1000022121201112100100002 |
4 | 10022021021230232330 |
5 | 14140223312101102 |
6 | 335140322253432 |
7 | 26434422153110 |
oct | 4121111545674 |
9 | 1008551470302 |
10 | 285768862652 |
11 | 100215089169 |
12 | 474734b7278 |
13 | 20c42682b90 |
14 | db8d09d740 |
15 | 7678120902 |
hex | 428926cbbc |
285768862652 has 24 divisors (see below), whose sum is σ = 615502166496. Its totient is φ = 113051418048.
The previous prime is 285768862627. The next prime is 285768862667. The reversal of 285768862652 is 256268867582.
It is a super-2 number, since 2×2857688626522 (a number of 24 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392539283 + ... + 392540010.
It is an arithmetic number, because the mean of its divisors is an integer number (25645923604).
Almost surely, 2285768862652 is an apocalyptic number.
It is an amenable number.
285768862652 is an abundant number, since it is smaller than the sum of its proper divisors (329733303844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285768862652 is a wasteful number, since it uses less digits than its factorization.
285768862652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 785079317 (or 785079315 counting only the distinct ones).
The product of its digits is 154828800, while the sum is 65.
The spelling of 285768862652 in words is "two hundred eighty-five billion, seven hundred sixty-eight million, eight hundred sixty-two thousand, six hundred fifty-two".
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