Base | Representation |
---|---|
bin | 10101111001010011… |
… | …01111011100100101 |
3 | 1010100020002112112121 |
4 | 22330221233130211 |
5 | 143033234242240 |
6 | 5222234145541 |
7 | 564204536626 |
oct | 127451573445 |
9 | 33306075477 |
10 | 11754993445 |
11 | 4a92429618 |
12 | 23408822b1 |
13 | 115447cc30 |
14 | 7d7281a4d |
15 | 48bec604a |
hex | 2bca6f725 |
11754993445 has 8 divisors (see below), whose sum is σ = 15191068536. Its totient is φ = 8680610496.
The previous prime is 11754993431. The next prime is 11754993449. The reversal of 11754993445 is 54439945711.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2300737156 + 9454256289 = 47966^2 + 97233^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11754993445 - 25 = 11754993413 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11754993392 and 11754993401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11754993449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90422962 + ... + 90423091.
It is an arithmetic number, because the mean of its divisors is an integer number (1898883567).
Almost surely, 211754993445 is an apocalyptic number.
It is an amenable number.
11754993445 is a deficient number, since it is larger than the sum of its proper divisors (3436075091).
11754993445 is a wasteful number, since it uses less digits than its factorization.
11754993445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180846071.
The product of its digits is 2721600, while the sum is 52.
The spelling of 11754993445 in words is "eleven billion, seven hundred fifty-four million, nine hundred ninety-three thousand, four hundred forty-five".
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