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11389195393 = 46124705413
BaseRepresentation
bin10101001101101100…
…10101010010000001
31002101201210001221121
422212312111102001
5141311113223033
65122045552241
7552143364202
oct124666252201
932351701847
1011389195393
1149149a4084
12225a275681
1310c6755094
147a08615a9
15469d1b62d
hex2a6d95481

11389195393 has 4 divisors (see below), whose sum is σ = 11413901268. Its totient is φ = 11364489520.

The previous prime is 11389195333. The next prime is 11389195399. The reversal of 11389195393 is 39359198311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39359198311 = 67358483207.

It can be written as a sum of positive squares in 2 ways, for example, as 2914704144 + 8474491249 = 53988^2 + 92057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11389195393 is a prime.

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 11389195393.

It is not an unprimeable number, because it can be changed into a prime (11389195399) 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, 12352246 + ... + 12353167.

It is an arithmetic number, because the mean of its divisors is an integer number (2853475317).

Almost surely, 211389195393 is an apocalyptic number.

It is an amenable number.

11389195393 is a deficient number, since it is larger than the sum of its proper divisors (24705875).

11389195393 is an equidigital number, since it uses as much as digits as its factorization.

11389195393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24705874.

The product of its digits is 787320, while the sum is 52.

The spelling of 11389195393 in words is "eleven billion, three hundred eighty-nine million, one hundred ninety-five thousand, three hundred ninety-three".

Divisors: 1 461 24705413 11389195393