Base | Representation |
---|---|
bin | 1110111000001… |
… | …00010010000001 |
3 | 22200211101210011 |
4 | 13130010102001 |
5 | 223422014311 |
6 | 20214504521 |
7 | 3043523542 |
oct | 734042201 |
9 | 280741704 |
10 | 124798081 |
11 | 64499711 |
12 | 35965141 |
13 | 1cb16b25 |
14 | 128084c9 |
15 | ae52321 |
hex | 7704481 |
124798081 has 2 divisors, whose sum is σ = 124798082. Its totient is φ = 124798080.
The previous prime is 124798073. The next prime is 124798103. The reversal of 124798081 is 180897421.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 98327056 + 26471025 = 9916^2 + 5145^2 .
It is a cyclic number.
It is not a de Polignac number, because 124798081 - 23 = 124798073 is a prime.
It is a super-2 number, since 2×1247980812 = 31149122042565122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (124798021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62399040 + 62399041.
It is an arithmetic number, because the mean of its divisors is an integer number (62399041).
Almost surely, 2124798081 is an apocalyptic number.
It is an amenable number.
124798081 is a deficient number, since it is larger than the sum of its proper divisors (1).
124798081 is an equidigital number, since it uses as much as digits as its factorization.
124798081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 40.
The square root of 124798081 is about 11171.3061456573. The cubic root of 124798081 is about 499.7306295719.
The spelling of 124798081 in words is "one hundred twenty-four million, seven hundred ninety-eight thousand, eighty-one".
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