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20433233141 = 78792593379
BaseRepresentation
bin10011000001111010…
…100110010011110101
31221202000201210101122
4103001322212103311
5313321401430031
613215323033325
71322232421166
oct230172462365
957660653348
1020433233141
118736033542
123b6306b845
131c083839c9
14dbba5b76d
157e8ce647b
hex4c1ea64f5

20433233141 has 4 divisors (see below), whose sum is σ = 20435834400. Its totient is φ = 20430631884.

The previous prime is 20433233087. The next prime is 20433233179. The reversal of 20433233141 is 14133233402.

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 a cyclic number.

It is not a de Polignac number, because 20433233141 - 26 = 20433233077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20433233141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433223141) 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, 1288811 + ... + 1304568.

It is an arithmetic number, because the mean of its divisors is an integer number (5108958600).

Almost surely, 220433233141 is an apocalyptic number.

It is an amenable number.

20433233141 is a deficient number, since it is larger than the sum of its proper divisors (2601259).

20433233141 is an equidigital number, since it uses as much as digits as its factorization.

20433233141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601258.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20433233141 its reverse (14133233402), we get a palindrome (34566466543).

The spelling of 20433233141 in words is "twenty billion, four hundred thirty-three million, two hundred thirty-three thousand, one hundred forty-one".

Divisors: 1 7879 2593379 20433233141