Base | Representation |
---|---|
bin | 11100000010101101… |
… | …110000100110000111 |
3 | 2212201102212210101020 |
4 | 130002231300212013 |
5 | 443131220233111 |
6 | 21455452402223 |
7 | 2114106335340 |
oct | 340255604607 |
9 | 85642783336 |
10 | 30110321031 |
11 | 1185154493a |
12 | 5a03a76373 |
13 | 2abb1b060b |
14 | 1658d650c7 |
15 | bb366b906 |
hex | 702b70987 |
30110321031 has 16 divisors (see below), whose sum is σ = 45899430144. Its totient is φ = 17199509184.
The previous prime is 30110321029. The next prime is 30110321047. The reversal of 30110321031 is 13012301103.
It is not a de Polignac number, because 30110321031 - 21 = 30110321029 is a prime.
It is a super-2 number, since 2×301103210312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30110321031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30110321011) 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, 207990 + ... + 321683.
It is an arithmetic number, because the mean of its divisors is an integer number (2868714384).
Almost surely, 230110321031 is an apocalyptic number.
30110321031 is a deficient number, since it is larger than the sum of its proper divisors (15789109113).
30110321031 is a wasteful number, since it uses less digits than its factorization.
30110321031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 532390.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30110321031 its reverse (13012301103), we get a palindrome (43122622134).
The spelling of 30110321031 in words is "thirty billion, one hundred ten million, three hundred twenty-one thousand, thirty-one".
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