Search a number
-
+
20123110363 is a prime number
BaseRepresentation
bin10010101111011011…
…100100101111011011
31220221102011220220211
4102233123210233123
5312203004012423
613124444031551
71311445421146
oct225733445733
956842156824
1020123110363
118596a75724
123a972325b7
131b890504c5
14d8c7b105d
157cb98810d
hex4af6e4bdb

20123110363 has 2 divisors, whose sum is σ = 20123110364. Its totient is φ = 20123110362.

The previous prime is 20123110283. The next prime is 20123110391. The reversal of 20123110363 is 36301132102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20123110363 - 213 = 20123102171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20123110393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061555181 + 10061555182.

It is an arithmetic number, because the mean of its divisors is an integer number (10061555182).

Almost surely, 220123110363 is an apocalyptic number.

20123110363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123110363 is an equidigital number, since it uses as much as digits as its factorization.

20123110363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20123110363 its reverse (36301132102), we get a palindrome (56424242465).

The spelling of 20123110363 in words is "twenty billion, one hundred twenty-three million, one hundred ten thousand, three hundred sixty-three".