Base | Representation |
---|---|
bin | 100111000111100101… |
… | …100000000101111111 |
3 | 11000102021102202122010 |
4 | 213013211200011333 |
5 | 1142010304434211 |
6 | 31143534222303 |
7 | 3014610221061 |
oct | 470745400577 |
9 | 130367382563 |
10 | 42003202431 |
11 | 168a4792743 |
12 | 8182954993 |
13 | 3c650ab448 |
14 | 206665b731 |
15 | 115c7cd4a6 |
hex | 9c796017f |
42003202431 has 8 divisors (see below), whose sum is σ = 56285699200. Its totient is φ = 27861420312.
The previous prime is 42003202369. The next prime is 42003202433. The reversal of 42003202431 is 13420230024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42003202431 - 223 = 41994813823 is a prime.
It is a super-2 number, since 2×420032024312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42003202398 and 42003202407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42003202433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35177965 + ... + 35179158.
It is an arithmetic number, because the mean of its divisors is an integer number (7035712400).
Almost surely, 242003202431 is an apocalyptic number.
42003202431 is a deficient number, since it is larger than the sum of its proper divisors (14282496769).
42003202431 is a wasteful number, since it uses less digits than its factorization.
42003202431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70357325.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 42003202431 its reverse (13420230024), we get a palindrome (55423432455).
The spelling of 42003202431 in words is "forty-two billion, three million, two hundred two thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.125 sec. • engine limits •