Base | Representation |
---|---|
bin | 11011111100100110… |
… | …110011000010101110 |
3 | 2212110022000211212222 |
4 | 123330212303002232 |
5 | 442424001122000 |
6 | 21441351555342 |
7 | 2111423240600 |
oct | 337446630256 |
9 | 85408024788 |
10 | 30007832750 |
11 | 117a9703985 |
12 | 599568bb52 |
13 | 2aa2ba836c |
14 | 16494c7170 |
15 | ba9674a85 |
hex | 6fc9b30ae |
30007832750 has 48 divisors (see below), whose sum is σ = 65346063120. Its totient is φ = 10288395600.
The previous prime is 30007832749. The next prime is 30007832753. The reversal of 30007832750 is 5723870003.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 30007832750.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30007832753) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212560 + ... + 1237059.
It is an arithmetic number, because the mean of its divisors is an integer number (1361376315).
Almost surely, 230007832750 is an apocalyptic number.
30007832750 is an abundant number, since it is smaller than the sum of its proper divisors (35338230370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30007832750 is a wasteful number, since it uses less digits than its factorization.
30007832750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2449650 (or 2449633 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 35.
The spelling of 30007832750 in words is "thirty billion, seven million, eight hundred thirty-two thousand, seven hundred fifty".
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