Search a number
-
+
20301201142 = 210150600571
BaseRepresentation
bin10010111010000010…
…111011111011110110
31221101211021212112121
4102322002323323312
5313034101414032
613154245110154
71316040235225
oct227202737366
957354255477
1020301201142
118678553992
123b269b835a
131bb6c06371
14da82cccbc
157dc415a97
hex4ba0bbef6

20301201142 has 4 divisors (see below), whose sum is σ = 30451801716. Its totient is φ = 10150600570.

The previous prime is 20301201139. The next prime is 20301201157. The reversal of 20301201142 is 24110210302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24110210302 = 212055105151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075300284 + ... + 5075300287.

It is an arithmetic number, because the mean of its divisors is an integer number (7612950429).

Almost surely, 220301201142 is an apocalyptic number.

20301201142 is a deficient number, since it is larger than the sum of its proper divisors (10150600574).

20301201142 is a wasteful number, since it uses less digits than its factorization.

20301201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150600573.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20301201142 its reverse (24110210302), we get a palindrome (44411411444).

The spelling of 20301201142 in words is "twenty billion, three hundred one million, two hundred one thousand, one hundred forty-two".

Divisors: 1 2 10150600571 20301201142