Base | Representation |
---|---|
bin | 11100001111011001… |
… | …100100001010011000 |
3 | 2220021021022122211010 |
4 | 130033121210022120 |
5 | 444100210143112 |
6 | 21532533533520 |
7 | 2122302234555 |
oct | 341731441230 |
9 | 86237278733 |
10 | 30323131032 |
11 | 11950687177 |
12 | 5a631a42a0 |
13 | 2b233014ac |
14 | 167931da2c |
15 | bc71a663c |
hex | 70f664298 |
30323131032 has 64 divisors (see below), whose sum is σ = 78454252800. Its totient is φ = 9755141760.
The previous prime is 30323131021. The next prime is 30323131039. The reversal of 30323131032 is 23013132303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30323131039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001807 + ... + 2016897.
It is an arithmetic number, because the mean of its divisors is an integer number (1225847700).
Almost surely, 230323131032 is an apocalyptic number.
It is an amenable number.
30323131032 is an abundant number, since it is smaller than the sum of its proper divisors (48131121768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323131032 is a wasteful number, since it uses less digits than its factorization.
30323131032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18016 (or 18012 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30323131032 its reverse (23013132303), we get a palindrome (53336263335).
The spelling of 30323131032 in words is "thirty billion, three hundred twenty-three million, one hundred thirty-one thousand, thirty-two".
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