| Base | Representation |
|---|---|
| bin | 111001111100000… |
| … | …0001001010001010 |
| 3 | 12000111002201100110 |
| 4 | 1303320001022022 |
| 5 | 12440140032100 |
| 6 | 520524015150 |
| 7 | 66114163653 |
| oct | 16370011212 |
| 9 | 5014081313 |
| 10 | 1944064650 |
| 11 | 908412600 |
| 12 | 4630914b6 |
| 13 | 24c9c1518 |
| 14 | 14629852a |
| 15 | b5a14250 |
| hex | 73e0128a |
1944064650 has 144 divisors (see below), whose sum is σ = 5531020992. Its totient is φ = 450700800.
The previous prime is 1944064643. The next prime is 1944064657. The reversal of 1944064650 is 564604491.
It is an interprime number because it is at equal distance from previous prime (1944064643) and next prime (1944064657).
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 1944064599 and 1944064608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1944064657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 415122 + ... + 419778.
It is an arithmetic number, because the mean of its divisors is an integer number (38409868).
Almost surely, 21944064650 is an apocalyptic number.
1944064650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1944064650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2765510496).
1944064650 is an abundant number, since it is smaller than the sum of its proper divisors (3586956342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1944064650 is a wasteful number, since it uses less digits than its factorization.
1944064650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4717 (or 4701 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 1944064650 is about 44091.5485098902. The cubic root of 1944064650 is about 1248.0641288032.
The spelling of 1944064650 in words is "one billion, nine hundred forty-four million, sixty-four thousand, six hundred fifty".
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