| Base | Representation |
|---|---|
| bin | 111011011011111… |
| … | …1010011000000000 |
| 3 | 12010222202102021110 |
| 4 | 1312313322120000 |
| 5 | 13041024243022 |
| 6 | 525522123320 |
| 7 | 100264565313 |
| oct | 16667723000 |
| 9 | 5128672243 |
| 10 | 1994368512 |
| 11 | 933850644 |
| 12 | 477ab0540 |
| 13 | 25a255016 |
| 14 | 14cc3097a |
| 15 | ba14e00c |
| hex | 76dfa600 |
1994368512 has 80 divisors (see below), whose sum is σ = 5496456240. Its totient is φ = 641851392.
The previous prime is 1994368511. The next prime is 1994368513. The reversal of 1994368512 is 2158634991.
1994368512 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (1994368511) and next prime (1994368513).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1994368511) 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, 22158 + ... + 66930.
It is an arithmetic number, because the mean of its divisors is an integer number (68705703).
Almost surely, 21994368512 is an apocalyptic number.
1994368512 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 1994368512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2748228120).
1994368512 is an abundant number, since it is smaller than the sum of its proper divisors (3502087728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1994368512 is an equidigital number, since it uses as much as digits as its factorization.
1994368512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44823 (or 44807 counting only the distinct ones).
The product of its digits is 466560, while the sum is 48.
The square root of 1994368512 is about 44658.3532163917. The cubic root of 1994368512 is about 1258.7373998680.
The spelling of 1994368512 in words is "one billion, nine hundred ninety-four million, three hundred sixty-eight thousand, five hundred twelve".
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