Search a number
-
+
20232000287 is a prime number
BaseRepresentation
bin10010110101111010…
…111101001100011111
31221020000002002210222
4102311322331030133
5312413343002122
613143333551555
71314240110402
oct226572751437
957200062728
1020232000287
1186424892a4
123b077a55bb
131ba5787505
14d9d037d39
157d62e6b42
hex4b5ebd31f

20232000287 has 2 divisors, whose sum is σ = 20232000288. Its totient is φ = 20232000286.

The previous prime is 20232000241. The next prime is 20232000311. The reversal of 20232000287 is 78200023202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20232000287 - 226 = 20164891423 is a prime.

It is a super-2 number, since 2×202320002872 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20232050287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116000143 + 10116000144.

It is an arithmetic number, because the mean of its divisors is an integer number (10116000144).

Almost surely, 220232000287 is an apocalyptic number.

20232000287 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232000287 is an equidigital number, since it uses as much as digits as its factorization.

20232000287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 20232000287 its reverse (78200023202), we get a palindrome (98432023489).

The spelling of 20232000287 in words is "twenty billion, two hundred thirty-two million, two hundred eighty-seven", and thus it is an aban number.