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20104266133 = 72872038019
BaseRepresentation
bin10010101110010011…
…101100000110010101
31220220002201112111101
4102232103230012111
5312133143004013
613122532110101
71311126304540
oct225623540625
956802645441
1020104266133
118587374786
123a90a65331
131b85183183
14d8a0a7857
157c9eb48dd
hex4ae4ec195

20104266133 has 4 divisors (see below), whose sum is σ = 22976304160. Its totient is φ = 17232228108.

The previous prime is 20104266131. The next prime is 20104266151. The reversal of 20104266133 is 33166240102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33166240102 = 216583120051.

It is a cyclic number.

It is not a de Polignac number, because 20104266133 - 21 = 20104266131 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 (20104266131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436019003 + ... + 1436019016.

It is an arithmetic number, because the mean of its divisors is an integer number (5744076040).

Almost surely, 220104266133 is an apocalyptic number.

It is an amenable number.

20104266133 is a deficient number, since it is larger than the sum of its proper divisors (2872038027).

20104266133 is an equidigital number, since it uses as much as digits as its factorization.

20104266133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872038026.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20104266133 in words is "twenty billion, one hundred four million, two hundred sixty-six thousand, one hundred thirty-three".

Divisors: 1 7 2872038019 20104266133