Search a number
-
+
20123133141 = 36707711047
BaseRepresentation
bin10010101111011011…
…101010010011010101
31220221102020002011110
4102233123222103111
5312203010230031
613124444325233
71311445544436
oct225733522325
956842202143
1020123133141
118596a90851
123a97243819
131b8905a997
14d8c7b948d
157cb98ec46
hex4af6ea4d5

20123133141 has 4 divisors (see below), whose sum is σ = 26830844192. Its totient is φ = 13415422092.

The previous prime is 20123133133. The next prime is 20123133161. The reversal of 20123133141 is 14133132102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20123133141 - 23 = 20123133133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123133161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353855521 + ... + 3353855526.

It is an arithmetic number, because the mean of its divisors is an integer number (6707711048).

Almost surely, 220123133141 is an apocalyptic number.

It is an amenable number.

20123133141 is a deficient number, since it is larger than the sum of its proper divisors (6707711051).

20123133141 is an equidigital number, since it uses as much as digits as its factorization.

20123133141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707711050.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20123133141 its reverse (14133132102), we get a palindrome (34256265243).

The spelling of 20123133141 in words is "twenty billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred forty-one".

Divisors: 1 3 6707711047 20123133141