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13857443133 = 315729421323
BaseRepresentation
bin11001110011111011…
…11100110100111101
31022202202020001022120
430321331330310331
5211340001140013
610211021033153
71000254215562
oct147175746475
938682201276
1013857443133
115971190146
1228289b57b9
1313cac17ac1
149565a8869
15561874123
hex339f7cd3d

13857443133 has 8 divisors (see below), whose sum is σ = 18594276768. Its totient is φ = 9179452464.

The previous prime is 13857443081. The next prime is 13857443161. The reversal of 13857443133 is 33134475831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13857443133 - 26 = 13857443069 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13857443333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14710191 + ... + 14711132.

It is an arithmetic number, because the mean of its divisors is an integer number (2324284596).

Almost surely, 213857443133 is an apocalyptic number.

It is an amenable number.

13857443133 is a deficient number, since it is larger than the sum of its proper divisors (4736833635).

13857443133 is a wasteful number, since it uses less digits than its factorization.

13857443133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29421483.

The product of its digits is 362880, while the sum is 42.

The spelling of 13857443133 in words is "thirteen billion, eight hundred fifty-seven million, four hundred forty-three thousand, one hundred thirty-three".

Divisors: 1 3 157 471 29421323 88263969 4619147711 13857443133