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42132104431 = 335991253969
BaseRepresentation
bin100111001111010001…
…001110010011101111
311000202020222122221021
4213033101032103233
51142241304320211
631204421115011
73021033656464
oct471721162357
9130666878837
1042132104431
111696052471a
1281b9b58a67
133c85a01211
14207981366b
151168c91771
hex9cf44e4ef

42132104431 has 4 divisors (see below), whose sum is σ = 42133392000. Its totient is φ = 42130816864.

The previous prime is 42132104419. The next prime is 42132104459. The reversal of 42132104431 is 13440123124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42132104431 - 29 = 42132103919 is a prime.

It is a super-2 number, since 2×421321044312 (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 = 42132104396 and 42132104405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42132104461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593386 + ... + 660583.

It is an arithmetic number, because the mean of its divisors is an integer number (10533348000).

Almost surely, 242132104431 is an apocalyptic number.

42132104431 is a deficient number, since it is larger than the sum of its proper divisors (1287569).

42132104431 is a wasteful number, since it uses less digits than its factorization.

42132104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287568.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42132104431 its reverse (13440123124), we get a palindrome (55572227555).

The spelling of 42132104431 in words is "forty-two billion, one hundred thirty-two million, one hundred four thousand, four hundred thirty-one".

Divisors: 1 33599 1253969 42132104431