Base | Representation |
---|---|
bin | 111001111101101… |
… | …1011010001110100 |
3 | 12000112210002220000 |
4 | 1303323123101310 |
5 | 12440402124233 |
6 | 520555111300 |
7 | 66124604454 |
oct | 16373332164 |
9 | 5015702800 |
10 | 1944958068 |
11 | 908972869 |
12 | 463442530 |
13 | 24cc45081 |
14 | 14644bd64 |
15 | b5b3dd13 |
hex | 73edb474 |
1944958068 has 60 divisors (see below), whose sum is σ = 5131244580. Its totient is φ = 642359808.
The previous prime is 1944958061. The next prime is 1944958091. The reversal of 1944958068 is 8608594491.
1944958068 is a `hidden beast` number, since 1 + 94 + 495 + 8 + 0 + 68 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1634423184 + 310534884 = 40428^2 + 17622^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1944958061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7780 + ... + 62852.
It is an arithmetic number, because the mean of its divisors is an integer number (85520743).
Almost surely, 21944958068 is an apocalyptic number.
1944958068 is a gapful number since it is divisible by the number (18) 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 1944958068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2565622290).
1944958068 is an abundant number, since it is smaller than the sum of its proper divisors (3186286512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1944958068 is a wasteful number, since it uses less digits than its factorization.
1944958068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55198 (or 55187 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The square root of 1944958068 is about 44101.6787435581. The cubic root of 1944958068 is about 1248.2552870878.
The spelling of 1944958068 in words is "one billion, nine hundred forty-four million, nine hundred fifty-eight thousand, sixty-eight".
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