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42140104133 = 293143822881
BaseRepresentation
bin100111001111101111…
…101111010111000101
311000202211001002110112
4213033233233113011
51142300331313013
631205304402405
73021161655311
oct471757572705
9130684032415
1042140104133
1116964a98a46
128200776405
133c8757247a
14207a8d6b41
151169821ba8
hex9cfbef5c5

42140104133 has 4 divisors (see below), whose sum is σ = 42283927308. Its totient is φ = 41996280960.

The previous prime is 42140104099. The next prime is 42140104147. The reversal of 42140104133 is 33140104124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37147551169 + 4992552964 = 192737^2 + 70658^2 .

It is a cyclic number.

It is not a de Polignac number, because 42140104133 - 28 = 42140103877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42140104099 and 42140104108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42140104333) 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, 71911148 + ... + 71911733.

It is an arithmetic number, because the mean of its divisors is an integer number (10570981827).

Almost surely, 242140104133 is an apocalyptic number.

It is an amenable number.

42140104133 is a deficient number, since it is larger than the sum of its proper divisors (143823175).

42140104133 is a wasteful number, since it uses less digits than its factorization.

42140104133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143823174.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42140104133 its reverse (33140104124), we get a palindrome (75280208257).

Subtracting from 42140104133 its reverse (33140104124), we obtain a palindrome (9000000009).

The spelling of 42140104133 in words is "forty-two billion, one hundred forty million, one hundred four thousand, one hundred thirty-three".

Divisors: 1 293 143822881 42140104133