Search a number
-
+
20014326784 = 21044212
BaseRepresentation
bin10010101000111100…
…100110010000000000
31220122211111010220101
4102220330212100000
5311442131424114
613110000252144
71305654653644
oct225074462000
956584433811
1020014326784
118540624a41
123a66911054
131b6c652a1a
14d7c174c24
157c214ad74
hex4a8f26400

20014326784 has 33 divisors (see below), whose sum is σ = 40018160161. Its totient is φ = 10004899840.

The previous prime is 20014326779. The next prime is 20014326791. The reversal of 20014326784 is 48762341002.

The square root of 20014326784 is 141472.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16622429184 + 3391897600 = 128928^2 + 58240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4524894 + ... + 4529314.

Almost surely, 220014326784 is an apocalyptic number.

20014326784 is the 141472-nd square number.

It is an amenable number.

20014326784 is a deficient number, since it is larger than the sum of its proper divisors (20003833377).

20014326784 is an frugal number, since it uses more digits than its factorization.

20014326784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 20014326784 its reverse (48762341002), we get a palindrome (68776667786).

The spelling of 20014326784 in words is "twenty billion, fourteen million, three hundred twenty-six thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 4421 8842 17684 35368 70736 141472 282944 565888 1131776 2263552 4527104 19545241 39090482 78180964 156361928 312723856 625447712 1250895424 2501790848 5003581696 10007163392 20014326784