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13381570283 = 41326379763
BaseRepresentation
bin11000111011001101…
…01000111011101011
31021112120210012111012
430131212220323223
5204401140222113
610051501254135
7652415320304
oct143546507353
937476705435
1013381570283
1157476028a4
12271556434b
13135345c833
1490d2d37ab
15534bc4aa8
hex31d9a8eeb

13381570283 has 4 divisors (see below), whose sum is σ = 13707950088. Its totient is φ = 13055190480.

The previous prime is 13381570261. The next prime is 13381570289. The reversal of 13381570283 is 38207518331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13381570283 - 26 = 13381570219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 326379763 = 13381570283 / (1 + 3 + 3 + 8 + 1 + 5 + 7 + 0 + 2 + 8 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13381570283.

It is not an unprimeable number, because it can be changed into a prime (13381570289) 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, 163189841 + ... + 163189922.

It is an arithmetic number, because the mean of its divisors is an integer number (3426987522).

Almost surely, 213381570283 is an apocalyptic number.

13381570283 is a deficient number, since it is larger than the sum of its proper divisors (326379805).

13381570283 is an equidigital number, since it uses as much as digits as its factorization.

13381570283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326379804.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 13381570283 in words is "thirteen billion, three hundred eighty-one million, five hundred seventy thousand, two hundred eighty-three".

Divisors: 1 41 326379763 13381570283