Base | Representation |
---|---|
bin | 11100010101111010… |
… | …000000110001101100 |
3 | 2220112212202000200102 |
4 | 130111322000301230 |
5 | 444311132101030 |
6 | 21551433450232 |
7 | 2125066166054 |
oct | 342572006154 |
9 | 86485660612 |
10 | 30432300140 |
11 | 119a7270580 |
12 | 5a93870978 |
13 | 2b3cb055b8 |
14 | 1689a1a564 |
15 | bd1a6cc45 |
hex | 715e80c6c |
30432300140 has 96 divisors (see below), whose sum is σ = 72797356800. Its totient is φ = 10584600320.
The previous prime is 30432300139. The next prime is 30432300149. The reversal of 30432300140 is 4100323403.
It is a super-2 number, since 2×304323001402 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (30432300149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660371 + ... + 704949.
It is an arithmetic number, because the mean of its divisors is an integer number (758305800).
Almost surely, 230432300140 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30432300140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36398678400).
30432300140 is an abundant number, since it is smaller than the sum of its proper divisors (42365056660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30432300140 is a wasteful number, since it uses less digits than its factorization.
30432300140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44735 (or 44733 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 30432300140 its reverse (4100323403), we get a palindrome (34532623543).
The spelling of 30432300140 in words is "thirty billion, four hundred thirty-two million, three hundred thousand, one hundred forty".
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