Base | Representation |
---|---|
bin | 10011001101000101111111… |
… | …00100101111000011001111 |
3 | 12112112021110011202010000002 |
4 | 21212202333210233003033 |
5 | 21013404232112014211 |
6 | 225452450100154515 |
7 | 11616053534451620 |
oct | 1146427744570317 |
9 | 175467404663002 |
10 | 42231332532431 |
11 | 12502231278459 |
12 | 48a086b998a3b |
13 | 1a745225cb903 |
14 | a60016443a47 |
15 | 4d3801c6203b |
hex | 2668bf92f0cf |
42231332532431 has 16 divisors (see below), whose sum is σ = 49458686592000. Its totient is φ = 35303166774720.
The previous prime is 42231332532419. The next prime is 42231332532449. The reversal of 42231332532431 is 13423523313224.
It is a cyclic number.
It is not a de Polignac number, because 42231332532431 - 234 = 42214152663247 is a prime.
It is a super-2 number, since 2×422313325324312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42231332432431) 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, 24655931 + ... + 26313068.
It is an arithmetic number, because the mean of its divisors is an integer number (3091167912000).
Almost surely, 242231332532431 is an apocalyptic number.
42231332532431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
42231332532431 is a deficient number, since it is larger than the sum of its proper divisors (7227354059569).
42231332532431 is a wasteful number, since it uses less digits than its factorization.
42231332532431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50971934.
The product of its digits is 311040, while the sum is 38.
Adding to 42231332532431 its reverse (13423523313224), we get a palindrome (55654855845655).
The spelling of 42231332532431 in words is "forty-two trillion, two hundred thirty-one billion, three hundred thirty-two million, five hundred thirty-two thousand, four hundred thirty-one".
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