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40142003201 = 231745304487
BaseRepresentation
bin100101011000101001…
…100101110000000001
310211121120021001021022
4211120221211300001
51124202323100301
630235130235225
72620520253206
oct453051456001
9124546231238
1040142003201
111602a129163
127943585b15
133a29611621
141d2b3b3cad
15109e1d6d1b
hex958a65c01

40142003201 has 4 divisors (see below), whose sum is σ = 41887307712. Its totient is φ = 38396698692.

The previous prime is 40142003189. The next prime is 40142003221. The reversal of 40142003201 is 10230024104.

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 a de Polignac number, because none of the positive numbers 2k-40142003201 is a prime.

It is a super-2 number, since 2×401420032012 (a number of 22 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 40142003201.

It is not an unprimeable number, because it can be changed into a prime (40142003221) 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, 872652221 + ... + 872652266.

It is an arithmetic number, because the mean of its divisors is an integer number (10471826928).

Almost surely, 240142003201 is an apocalyptic number.

It is an amenable number.

40142003201 is a deficient number, since it is larger than the sum of its proper divisors (1745304511).

40142003201 is a wasteful number, since it uses less digits than its factorization.

40142003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745304510.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40142003201 its reverse (10230024104), we get a palindrome (50372027305).

The spelling of 40142003201 in words is "forty billion, one hundred forty-two million, three thousand, two hundred one".

Divisors: 1 23 1745304487 40142003201