Base | Representation |
---|---|
bin | 101000000101010010… |
… | …001110101110000001 |
3 | 11010002102020002120121 |
4 | 220011102032232001 |
5 | 1201120303303141 |
6 | 31434352540241 |
7 | 3052346556565 |
oct | 500522165601 |
9 | 133072202517 |
10 | 43038337921 |
11 | 17286024317 |
12 | 8411551681 |
13 | 409b69ac57 |
14 | 2123d136a5 |
15 | 11bd6001d1 |
hex | a0548eb81 |
43038337921 has 2 divisors, whose sum is σ = 43038337922. Its totient is φ = 43038337920.
The previous prime is 43038337907. The next prime is 43038337949. The reversal of 43038337921 is 12973383034.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26678648896 + 16359689025 = 163336^2 + 127905^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-43038337921 is a prime.
It is not a weakly prime, because it can be changed into another prime (43038337981) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21519168960 + 21519168961.
It is an arithmetic number, because the mean of its divisors is an integer number (21519168961).
Almost surely, 243038337921 is an apocalyptic number.
It is an amenable number.
43038337921 is a deficient number, since it is larger than the sum of its proper divisors (1).
43038337921 is an equidigital number, since it uses as much as digits as its factorization.
43038337921 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 326592, while the sum is 43.
The spelling of 43038337921 in words is "forty-three billion, thirty-eight million, three hundred thirty-seven thousand, nine hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •