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20314012001 = 73278274137
BaseRepresentation
bin10010111010110011…
…110011100101100001
31221102201101201201212
4102322303303211201
5313100341341001
613155423435505
71316254152533
oct227263634541
957381351655
1020314012001
118684803978
123b2b155b95
131bb977045a
14da9ca5853
157dd5e67bb
hex4bacf3961

20314012001 has 4 divisors (see below), whose sum is σ = 20592286212. Its totient is φ = 20035737792.

The previous prime is 20314011989. The next prime is 20314012009. The reversal of 20314012001 is 10021041302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10021041302 = 25010520651.

It can be written as a sum of positive squares in 2 ways, for example, as 9448034401 + 10865977600 = 97201^2 + 104240^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314012001 - 230 = 19240270177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20314012009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139136996 + ... + 139137141.

It is an arithmetic number, because the mean of its divisors is an integer number (5148071553).

Almost surely, 220314012001 is an apocalyptic number.

It is an amenable number.

20314012001 is a deficient number, since it is larger than the sum of its proper divisors (278274211).

20314012001 is an equidigital number, since it uses as much as digits as its factorization.

20314012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278274210.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20314012001 its reverse (10021041302), we get a palindrome (30335053303).

The spelling of 20314012001 in words is "twenty billion, three hundred fourteen million, twelve thousand, one".

Divisors: 1 73 278274137 20314012001