| Base | Representation |
|---|---|
| bin | 101000111110001000… |
| … | …101001001001100001 |
| 3 | 11012112212221112220211 |
| 4 | 220332020221021201 |
| 5 | 1210043441013144 |
| 6 | 32113143534121 |
| 7 | 3115110621154 |
| oct | 507610511141 |
| 9 | 135485845824 |
| 10 | 43992126049 |
| 11 | 17725454473 |
| 12 | 8638a5a341 |
| 13 | 41c1178021 |
| 14 | 21b4871c9b |
| 15 | 1227204034 |
| hex | a3e229261 |
43992126049 has 3 divisors (see below), whose sum is σ = 43992335793. Its totient is φ = 43991916306.
The previous prime is 43992126037. The next prime is 43992126053. The reversal of 43992126049 is 94062129934.
It is a happy number.
The square root of 43992126049 is 209743.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94062129934 = 2 ⋅47031064967.
It is a de Polignac number, because none of the positive numbers 2k-43992126049 is a prime.
It is a super-2 number, since 2×439921260492 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 43992125993 and 43992126011.
It is not an unprimeable number, because it can be changed into a prime (43992126089) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 104872 + ... + 314614.
It is an arithmetic number, because the mean of its divisors is an integer number (14664111931).
Almost surely, 243992126049 is an apocalyptic number.
43992126049 is the 209743-rd square number.
43992126049 is the 104872-nd centered octagonal number.
It is an amenable number.
43992126049 is a deficient number, since it is larger than the sum of its proper divisors (209744).
43992126049 is an frugal number, since it uses more digits than its factorization.
43992126049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 419486 (or 209743 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 49.
Multiplying 43992126049 by its sum of digits (49), we get a square (2155614176401 = 14682012).
The spelling of 43992126049 in words is "forty-three billion, nine hundred ninety-two million, one hundred twenty-six thousand, forty-nine".
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