Base | Representation |
---|---|
bin | 100111001000110101… |
… | …101001101011101111 |
3 | 11000110201222020000220 |
4 | 213020311221223233 |
5 | 1142031144310411 |
6 | 31150004422423 |
7 | 3015253630050 |
oct | 471065515357 |
9 | 130421866026 |
10 | 42024213231 |
11 | 16905633440 |
12 | 81899a7a13 |
13 | 3c69556980 |
14 | 206936a727 |
15 | 115e57db06 |
hex | 9c8d69aef |
42024213231 has 128 divisors (see below), whose sum is σ = 79910240256. Its totient is φ = 18905978880.
The previous prime is 42024213173. The next prime is 42024213263. The reversal of 42024213231 is 13231242024.
It is a happy number.
It is not a de Polignac number, because 42024213231 - 211 = 42024211183 is a prime.
It is a super-2 number, since 2×420242132312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42024013231) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18734596 + ... + 18736838.
It is an arithmetic number, because the mean of its divisors is an integer number (624298752).
Almost surely, 242024213231 is an apocalyptic number.
42024213231 is a deficient number, since it is larger than the sum of its proper divisors (37886027025).
42024213231 is a wasteful number, since it uses less digits than its factorization.
42024213231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2661.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 42024213231 its reverse (13231242024), we get a palindrome (55255455255).
It can be divided in two parts, 42024 and 213231, that added together give a triangular number (255255 = T714).
The spelling of 42024213231 in words is "forty-two billion, twenty-four million, two hundred thirteen thousand, two hundred thirty-one".
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