Base | Representation |
---|---|
bin | 100111100110001100… |
… | …1100110101110110100 |
3 | 22010111010210121222200 |
4 | 1033030121212232310 |
5 | 2343122103033212 |
6 | 103021450024500 |
7 | 6100133016300 |
oct | 1171431465664 |
9 | 263433717880 |
10 | 85033642932 |
11 | 33076302567 |
12 | 14591718130 |
13 | 8031c42864 |
14 | 41894b6d00 |
15 | 232a36d6dc |
hex | 13cc666bb4 |
85033642932 has 108 divisors (see below), whose sum is σ = 264747695940. Its totient is φ = 22866181632.
The previous prime is 85033642919. The next prime is 85033642937. The reversal of 85033642932 is 23924633058.
It can be written as a sum of positive squares in 2 ways, for example, as 63461671056 + 21571971876 = 251916^2 + 146874^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85033642937) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1387807 + ... + 1447782.
It is an arithmetic number, because the mean of its divisors is an integer number (2451367555).
Almost surely, 285033642932 is an apocalyptic number.
It is an amenable number.
85033642932 is an abundant number, since it is smaller than the sum of its proper divisors (179714053008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85033642932 is a wasteful number, since it uses less digits than its factorization.
85033642932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2835630 (or 2835618 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 45.
The spelling of 85033642932 in words is "eighty-five billion, thirty-three million, six hundred forty-two thousand, nine hundred thirty-two".
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