Base | Representation |
---|---|
bin | 1001001011111… |
… | …10001111100101 |
3 | 12101000012202102 |
4 | 10211332033211 |
5 | 124212010031 |
6 | 11351421445 |
7 | 1624011611 |
oct | 445761745 |
9 | 171005672 |
10 | 77063141 |
11 | 3a555751 |
12 | 21984885 |
13 | 12c726bc |
14 | a340341 |
15 | 6b737cb |
hex | 497e3e5 |
77063141 has 4 divisors (see below), whose sum is σ = 77136300. Its totient is φ = 76989984.
The previous prime is 77063137. The next prime is 77063167. The reversal of 77063141 is 14136077.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14136077 = 149 ⋅94873.
It can be written as a sum of positive squares in 2 ways, for example, as 48011041 + 29052100 = 6929^2 + 5390^2 .
It is a cyclic number.
It is not a de Polignac number, because 77063141 - 22 = 77063137 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77063111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34976 + ... + 37113.
It is an arithmetic number, because the mean of its divisors is an integer number (19284075).
Almost surely, 277063141 is an apocalyptic number.
It is an amenable number.
77063141 is a deficient number, since it is larger than the sum of its proper divisors (73159).
77063141 is a wasteful number, since it uses less digits than its factorization.
77063141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73158.
The product of its (nonzero) digits is 3528, while the sum is 29.
The square root of 77063141 is about 8778.5614425144. The cubic root of 77063141 is about 425.5483413525.
The spelling of 77063141 in words is "seventy-seven million, sixty-three thousand, one hundred forty-one".
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