Base | Representation |
---|---|
bin | 1110100100111011… |
… | …0111100101000000 |
3 | 101002200222102210020 |
4 | 3221032313211000 |
5 | 31003211121432 |
6 | 1444140533440 |
7 | 165652600113 |
oct | 35116674500 |
9 | 11080872706 |
10 | 3912988992 |
11 | 1728864600 |
12 | 912551280 |
13 | 4a48a8103 |
14 | 29198457a |
15 | 17d7d922c |
hex | e93b7940 |
3912988992 has 168 divisors, whose sum is σ = 11647493088. Its totient is φ = 1157882880.
The previous prime is 3912988943. The next prime is 3912989023. The reversal of 3912988992 is 2998892193.
3912988992 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×39129889922 = 30622965703026352128, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997018 + ... + 1000934.
It is an arithmetic number, because the mean of its divisors is an integer number (69330316).
Almost surely, 23912988992 is an apocalyptic number.
3912988992 is a gapful number since it is divisible by the number (32) 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 3912988992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5823746544).
3912988992 is an abundant number, since it is smaller than the sum of its proper divisors (7734504096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3912988992 is a wasteful number, since it uses less digits than its factorization.
3912988992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3997 (or 3976 counting only the distinct ones).
The product of its digits is 5038848, while the sum is 60.
The square root of 3912988992 is about 62553.8887040606. Note that the first 3 decimals coincide. The cubic root of 3912988992 is about 1575.8064558290.
The spelling of 3912988992 in words is "three billion, nine hundred twelve million, nine hundred eighty-eight thousand, nine hundred ninety-two".
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