Base | Representation |
---|---|
bin | 11100111000111101… |
… | …100110011100101010 |
3 | 2222001212102210121101 |
4 | 130320331212130222 |
5 | 1002012213142214 |
6 | 22130043432014 |
7 | 2145500263411 |
oct | 347075463452 |
9 | 88055383541 |
10 | 31020443434 |
11 | 12179260312 |
12 | 601882560a |
13 | 2c0490c496 |
14 | 1703b98478 |
15 | c184e7774 |
hex | 738f6672a |
31020443434 has 16 divisors (see below), whose sum is σ = 47210086656. Its totient is φ = 15283970800.
The previous prime is 31020443429. The next prime is 31020443437. The reversal of 31020443434 is 43434402013.
It is not an unprimeable number, because it can be changed into a prime (31020443437) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228879 + ... + 338269.
It is an arithmetic number, because the mean of its divisors is an integer number (2950630416).
Almost surely, 231020443434 is an apocalyptic number.
31020443434 is a deficient number, since it is larger than the sum of its proper divisors (16189643222).
31020443434 is a wasteful number, since it uses less digits than its factorization.
31020443434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111461.
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 31020443434 its reverse (43434402013), we get a palindrome (74454845447).
The spelling of 31020443434 in words is "thirty-one billion, twenty million, four hundred forty-three thousand, four hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •