Base | Representation |
---|---|
bin | 11011111110110110… |
… | …111101001101010101 |
3 | 2212112221010210112111 |
4 | 123332312331031111 |
5 | 443013134420000 |
6 | 21445221551021 |
7 | 2112362403610 |
oct | 337666751525 |
9 | 85487123474 |
10 | 30045623125 |
11 | 11818a753a1 |
12 | 59a6275471 |
13 | 2aaa97a22b |
14 | 1650523177 |
15 | bacb3bcba |
hex | 6fedbd355 |
30045623125 has 20 divisors (see below), whose sum is σ = 42908589856. Its totient is φ = 20602710000.
The previous prime is 30045623107. The next prime is 30045623131. The reversal of 30045623125 is 52132654003.
It is a happy number.
It is not a de Polignac number, because 30045623125 - 25 = 30045623093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3429411 + ... + 3438160.
Almost surely, 230045623125 is an apocalyptic number.
30045623125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30045623125 is a deficient number, since it is larger than the sum of its proper divisors (12862966731).
30045623125 is an frugal number, since it uses more digits than its factorization.
30045623125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6867598 (or 6867583 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 31.
The spelling of 30045623125 in words is "thirty billion, forty-five million, six hundred twenty-three thousand, one hundred twenty-five".
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