Base | Representation |
---|---|
bin | 11100001010110010… |
… | …100000101101110100 |
3 | 2220001212210001020101 |
4 | 130022302200231310 |
5 | 443420410100221 |
6 | 21521132043444 |
7 | 2120342632360 |
oct | 341262405564 |
9 | 86055701211 |
10 | 30245784436 |
11 | 11910a5856a |
12 | 5a41303584 |
13 | 2b1028ca8a |
14 | 166cd482a0 |
15 | bc04c8d91 |
hex | 70aca0b74 |
30245784436 has 24 divisors (see below), whose sum is σ = 62577486720. Its totient is φ = 12515496672.
The previous prime is 30245784433. The next prime is 30245784451. The reversal of 30245784436 is 63448754203.
It is a super-2 number, since 2×302457844362 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30245784431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18623440 + ... + 18625063.
It is an arithmetic number, because the mean of its divisors is an integer number (2607395280).
Almost surely, 230245784436 is an apocalyptic number.
It is an amenable number.
30245784436 is an abundant number, since it is smaller than the sum of its proper divisors (32331702284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30245784436 is a wasteful number, since it uses less digits than its factorization.
30245784436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37248543 (or 37248541 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 46.
The spelling of 30245784436 in words is "thirty billion, two hundred forty-five million, seven hundred eighty-four thousand, four hundred thirty-six".
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