Base | Representation |
---|---|
bin | 11011111110000100… |
… | …111111110111111000 |
3 | 2212112000111102210220 |
4 | 123332010333313320 |
5 | 443001311324330 |
6 | 21444033140040 |
7 | 2112143160201 |
oct | 337604776770 |
9 | 85460442726 |
10 | 30032526840 |
11 | 1181163aa18 |
12 | 59a19ba620 |
13 | 2aa8043254 |
14 | 164c8b45a8 |
15 | bab901710 |
hex | 6fe13fdf8 |
30032526840 has 32 divisors (see below), whose sum is σ = 90097580880. Its totient is φ = 8008673792.
The previous prime is 30032526827. The next prime is 30032526869. The reversal of 30032526840 is 4862523003.
It is a happy number.
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, 125135409 + ... + 125135648.
Almost surely, 230032526840 is an apocalyptic number.
30032526840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30032526840 is an abundant number, since it is smaller than the sum of its proper divisors (60065054040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30032526840 is a wasteful number, since it uses less digits than its factorization.
30032526840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250271071 (or 250271067 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 33.
The spelling of 30032526840 in words is "thirty billion, thirty-two million, five hundred twenty-six thousand, eight hundred forty".
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