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11484871999 = 76691497571
BaseRepresentation
bin10101011001000110…
…10011110100111111
31002122101210221120121
422230203103310333
5142010111400444
65135344355411
7554414541556
oct125443236477
932571727517
1011484871999
114963a02357
122286315b67
131110513a63
147ad448d9d
1547341a084
hex2ac8d3d3f

11484871999 has 4 divisors (see below), whose sum is σ = 11486377240. Its totient is φ = 11483366760.

The previous prime is 11484871967. The next prime is 11484872023. The reversal of 11484871999 is 99917848411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99917848411 = 113884228747.

It is a cyclic number.

It is not a de Polignac number, because 11484871999 - 25 = 11484871967 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 (11484872999) 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, 741117 + ... + 756454.

It is an arithmetic number, because the mean of its divisors is an integer number (2871594310).

Almost surely, 211484871999 is an apocalyptic number.

11484871999 is a deficient number, since it is larger than the sum of its proper divisors (1505241).

11484871999 is an equidigital number, since it uses as much as digits as its factorization.

11484871999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505240.

The product of its digits is 5225472, while the sum is 61.

The spelling of 11484871999 in words is "eleven billion, four hundred eighty-four million, eight hundred seventy-one thousand, nine hundred ninety-nine".

Divisors: 1 7669 1497571 11484871999