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20040140401 = 131580126371
BaseRepresentation
bin10010101010011111…
…000100011001110001
31220201122001121112021
4102222133010121301
5312020233443101
613112321431441
71306420245211
oct225237043161
956648047467
1020040140401
118554156106
123a7349b581
131b74ac0358
14d81774241
157c45495a1
hex4aa7c4671

20040140401 has 8 divisors (see below), whose sum is σ = 20197365408. Its totient is φ = 19882980000.

The previous prime is 20040140381. The next prime is 20040140467. The reversal of 20040140401 is 10404104002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20040140401 - 213 = 20040132209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040140501) 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 7 ways as a sum of consecutive naturals, for example, 746746 + ... + 773116.

It is an arithmetic number, because the mean of its divisors is an integer number (2524670676).

Almost surely, 220040140401 is an apocalyptic number.

It is an amenable number.

20040140401 is a deficient number, since it is larger than the sum of its proper divisors (157225007).

20040140401 is a wasteful number, since it uses less digits than its factorization.

20040140401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32303.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20040140401 its reverse (10404104002), we get a palindrome (30444244403).

The spelling of 20040140401 in words is "twenty billion, forty million, one hundred forty thousand, four hundred one".

Divisors: 1 131 5801 26371 759931 3454601 152978171 20040140401