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40105412201 = 89450622609
BaseRepresentation
bin100101010110011110…
…000000011001101001
310211112000102000212002
4211112132000121221
51124113441142301
630231342100345
72616564244001
oct452636003151
9124460360762
1040105412201
1116010506868
12793327a6b5
133a21b6c64a
141d265ab001
15109adaa16b
hex956780669

40105412201 has 4 divisors (see below), whose sum is σ = 40556034900. Its totient is φ = 39654789504.

The previous prime is 40105412161. The next prime is 40105412213. The reversal of 40105412201 is 10221450104.

It is a happy number.

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 14798965801 + 25306446400 = 121651^2 + 159080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40105412201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40105412251) 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, 225311216 + ... + 225311393.

It is an arithmetic number, because the mean of its divisors is an integer number (10139008725).

Almost surely, 240105412201 is an apocalyptic number.

It is an amenable number.

40105412201 is a deficient number, since it is larger than the sum of its proper divisors (450622699).

40105412201 is an equidigital number, since it uses as much as digits as its factorization.

40105412201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450622698.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 40105412201 its reverse (10221450104), we get a palindrome (50326862305).

The spelling of 40105412201 in words is "forty billion, one hundred five million, four hundred twelve thousand, two hundred one".

Divisors: 1 89 450622609 40105412201