Base | Representation |
---|---|
bin | 10011001001100110000101… |
… | …11110000100100010110111 |
3 | 12112002210012002021012100001 |
4 | 21210303002332010202313 |
5 | 21004422043341441211 |
6 | 225321330343532131 |
7 | 11604300032410411 |
oct | 1144630276044267 |
9 | 175083162235301 |
10 | 42111130421431 |
11 | 12466259319355 |
12 | 488150445a047 |
13 | 1a660a759b446 |
14 | a582923299b1 |
15 | 4d0619186ac1 |
hex | 264cc2f848b7 |
42111130421431 has 8 divisors (see below), whose sum is σ = 42336501419520. Its totient is φ = 41886332158968.
The previous prime is 42111130421413. The next prime is 42111130421447. The reversal of 42111130421431 is 13412403111124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42111130421431 - 235 = 42076770683063 is a prime.
It is a super-2 number, since 2×421111304214312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42111130421431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42111130421231) 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, 143036461 + ... + 143330566.
It is an arithmetic number, because the mean of its divisors is an integer number (5292062677440).
Almost surely, 242111130421431 is an apocalyptic number.
42111130421431 is a deficient number, since it is larger than the sum of its proper divisors (225370998089).
42111130421431 is a wasteful number, since it uses less digits than its factorization.
42111130421431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286367813.
The product of its (nonzero) digits is 2304, while the sum is 28.
Adding to 42111130421431 its reverse (13412403111124), we get a palindrome (55523533532555).
The spelling of 42111130421431 in words is "forty-two trillion, one hundred eleven billion, one hundred thirty million, four hundred twenty-one thousand, four hundred thirty-one".
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