| Base | Representation |
|---|---|
| bin | 10110001001100100… |
| … | …01011100000000000 |
| 3 | 1010200201210220000200 |
| 4 | 23010302023200000 |
| 5 | 143323201020412 |
| 6 | 5243550245200 |
| 7 | 600452300253 |
| oct | 130462134000 |
| 9 | 33621726020 |
| 10 | 11891423232 |
| 11 | 5052442307 |
| 12 | 237a4b6800 |
| 13 | 117680a210 |
| 14 | 80b43709a |
| 15 | 498e749dc |
| hex | 2c4c8b800 |
11891423232 has 144 divisors (see below), whose sum is σ = 36987252120. Its totient is φ = 3658825728.
The previous prime is 11891423227. The next prime is 11891423237. The reversal of 11891423232 is 23232419811.
11891423232 is a `hidden beast` number, since 118 + 91 + 423 + 2 + 32 = 666.
It is an interprime number because it is at equal distance from previous prime (11891423227) and next prime (11891423237).
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11891423237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214803 + ... + 264429.
Almost surely, 211891423232 is an apocalyptic number.
11891423232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11891423232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18493626060).
11891423232 is an abundant number, since it is smaller than the sum of its proper divisors (25095828888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11891423232 is a wasteful number, since it uses less digits than its factorization.
11891423232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49668 (or 49645 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The spelling of 11891423232 in words is "eleven billion, eight hundred ninety-one million, four hundred twenty-three thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •