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42806213141 = 171072502263
BaseRepresentation
bin100111110111011100…
…101111101000010101
311002111020102221020112
4213313130233220111
51200131342310031
631355341412405
73043530544136
oct476734575025
9132436387215
1042806213141
1117176a9a55a
12836786a105
134062576803
14210116bc8d
1511a804c62b
hex9f772fa15

42806213141 has 4 divisors (see below), whose sum is σ = 42808732512. Its totient is φ = 42803693772.

The previous prime is 42806213137. The next prime is 42806213159. The reversal of 42806213141 is 14131260824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42806213141 - 22 = 42806213137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42806213098 and 42806213107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42806210141) 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, 1234025 + ... + 1268238.

It is an arithmetic number, because the mean of its divisors is an integer number (10702183128).

Almost surely, 242806213141 is an apocalyptic number.

It is an amenable number.

42806213141 is a deficient number, since it is larger than the sum of its proper divisors (2519371).

42806213141 is a wasteful number, since it uses less digits than its factorization.

42806213141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519370.

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 42806213141 its reverse (14131260824), we get a palindrome (56937473965).

The spelling of 42806213141 in words is "forty-two billion, eight hundred six million, two hundred thirteen thousand, one hundred forty-one".

Divisors: 1 17107 2502263 42806213141