Search a number
-
+
42000532501 = 120134971301
BaseRepresentation
bin100111000111011011…
…010100010000010101
311000102002102010011211
4213013123110100111
51142004114020001
631143401101421
73014545431034
oct470733242025
9130362363154
1042000532501
11168a3229794
128181a87871
133c646850c5
14206616471b
15115c452351
hex9c76d4415

42000532501 has 4 divisors (see below), whose sum is σ = 42035505004. Its totient is φ = 41965560000.

The previous prime is 42000532493. The next prime is 42000532543. The reversal of 42000532501 is 10523500024.

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 231800625 + 41768731876 = 15225^2 + 204374^2 .

It is a cyclic number.

It is not a de Polignac number, because 42000532501 - 23 = 42000532493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000532201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17484450 + ... + 17486851.

It is an arithmetic number, because the mean of its divisors is an integer number (10508876251).

Almost surely, 242000532501 is an apocalyptic number.

It is an amenable number.

42000532501 is a deficient number, since it is larger than the sum of its proper divisors (34972503).

42000532501 is a wasteful number, since it uses less digits than its factorization.

42000532501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34972502.

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 42000532501 in words is "forty-two billion, five hundred thirty-two thousand, five hundred one".

Divisors: 1 1201 34971301 42000532501