| Base | Representation |
|---|---|
| bin | 100111110110000111… |
| … | …111101111011100000 |
| 3 | 11002102200121212002200 |
| 4 | 213312013331323200 |
| 5 | 1200110200130342 |
| 6 | 31353225213200 |
| 7 | 3043140624120 |
| oct | 476607757340 |
| 9 | 132380555080 |
| 10 | 42783989472 |
| 11 | 171654a0594 |
| 12 | 8360331200 |
| 13 | 405aa95203 |
| 14 | 20dc224c80 |
| 15 | 11a610c94c |
| hex | 9f61fdee0 |
42783989472 has 144 divisors (see below), whose sum is σ = 139566641760. Its totient is φ = 12178400256.
The previous prime is 42783989467. The next prime is 42783989477. The reversal of 42783989472 is 27498938724.
42783989472 is a `hidden beast` number, since 4 + 2 + 7 + 83 + 9 + 89 + 472 = 666.
It is an interprime number because it is at equal distance from previous prime (42783989467) and next prime (42783989477).
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 (63).
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 (42783989477) 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, 502858 + ... + 581750.
It is an arithmetic number, because the mean of its divisors is an integer number (969212790).
Almost surely, 242783989472 is an apocalyptic number.
42783989472 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 42783989472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69783320880).
42783989472 is an abundant number, since it is smaller than the sum of its proper divisors (96782652288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42783989472 is a wasteful number, since it uses less digits than its factorization.
42783989472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79185 (or 79174 counting only the distinct ones).
The product of its digits is 48771072, while the sum is 63.
The spelling of 42783989472 in words is "forty-two billion, seven hundred eighty-three million, nine hundred eighty-nine thousand, four hundred seventy-two".
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