Search a number
-
+
20094350523 = 3131730308221
BaseRepresentation
bin10010101101101101…
…110111010010111011
31220212102001202211120
4102231231313102323
5312123123204043
613121535400323
71310646106212
oct225555672273
956772052746
1020094350523
118581811a65
123a896830a3
131b830c0b50
14d88a46079
157c91a6983
hex4adb774bb

20094350523 has 16 divisors (see below), whose sum is σ = 30550687776. Its totient is φ = 11638356480.

The previous prime is 20094350503. The next prime is 20094350527. The reversal of 20094350523 is 32505349002.

It is not a de Polignac number, because 20094350523 - 26 = 20094350459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20094350527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15153448 + ... + 15154773.

It is an arithmetic number, because the mean of its divisors is an integer number (1909417986).

Almost surely, 220094350523 is an apocalyptic number.

20094350523 is a deficient number, since it is larger than the sum of its proper divisors (10456337253).

20094350523 is a wasteful number, since it uses less digits than its factorization.

20094350523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30308254.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 20094350523 its reverse (32505349002), we get a palindrome (52599699525).

The spelling of 20094350523 in words is "twenty billion, ninety-four million, three hundred fifty thousand, five hundred twenty-three".

Divisors: 1 3 13 17 39 51 221 663 30308221 90924663 394006873 515239757 1182020619 1545719271 6698116841 20094350523