Base | Representation |
---|---|
bin | 100101010100111101… |
… | …101111001000110101 |
3 | 10211110020220212211201 |
4 | 211110331233020311 |
5 | 1124041011110134 |
6 | 30225041132501 |
7 | 2616136605052 |
oct | 452475571065 |
9 | 124406825751 |
10 | 40080175669 |
11 | 15aa823a226 |
12 | 792692a131 |
13 | 3a198748a1 |
14 | 1d230bc029 |
15 | 1098a72914 |
hex | 954f6f235 |
40080175669 has 2 divisors, whose sum is σ = 40080175670. Its totient is φ = 40080175668.
The previous prime is 40080175633. The next prime is 40080175691. The reversal of 40080175669 is 96657108004.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28862612100 + 11217563569 = 169890^2 + 105913^2 .
It is a cyclic number.
It is not a de Polignac number, because 40080175669 - 221 = 40078078517 is a prime.
It is a super-2 number, since 2×400801756692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40080175469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20040087834 + 20040087835.
It is an arithmetic number, because the mean of its divisors is an integer number (20040087835).
Almost surely, 240080175669 is an apocalyptic number.
It is an amenable number.
40080175669 is a deficient number, since it is larger than the sum of its proper divisors (1).
40080175669 is an equidigital number, since it uses as much as digits as its factorization.
40080175669 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 40080175669 in words is "forty billion, eighty million, one hundred seventy-five thousand, six hundred sixty-nine".
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