| Base | Representation |
|---|---|
| bin | 1111100101000011… |
| … | …0001100000100000 |
| 3 | 101210110000202002100 |
| 4 | 3321100301200200 |
| 5 | 32031033030442 |
| 6 | 1530545050400 |
| 7 | 205426523610 |
| oct | 37120614040 |
| 9 | 11713022070 |
| 10 | 4181923872 |
| 11 | 1856650335 |
| 12 | 988626a00 |
| 13 | 51851a189 |
| 14 | 2b958ca40 |
| 15 | 19720d84c |
| hex | f9431820 |
4181923872 has 144 divisors (see below), whose sum is σ = 13848045120. Its totient is φ = 1172261376.
The previous prime is 4181923793. The next prime is 4181923877. The reversal of 4181923872 is 2783291814.
It is a happy number.
4181923872 is a `hidden beast` number, since 4 + 181 + 92 + 387 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (4181923877) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87279 + ... + 126417.
It is an arithmetic number, because the mean of its divisors is an integer number (96166980).
Almost surely, 24181923872 is an apocalyptic number.
4181923872 is a gapful number since it is divisible by the number (42) 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 4181923872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6924022560).
4181923872 is an abundant number, since it is smaller than the sum of its proper divisors (9666121248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4181923872 is a wasteful number, since it uses less digits than its factorization.
4181923872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39215 (or 39204 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The square root of 4181923872 is about 64667.7962513027. The cubic root of 4181923872 is about 1611.1106711917.
The spelling of 4181923872 in words is "four billion, one hundred eighty-one million, nine hundred twenty-three thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •