Base | Representation |
---|---|
bin | 11011000101001011… |
… | …111110011101101001 |
3 | 2210001111111020021011 |
4 | 123011023332131221 |
5 | 434022440223021 |
6 | 21205215343521 |
7 | 2046403246600 |
oct | 330513763551 |
9 | 83044436234 |
10 | 29078054761 |
11 | 11371892a18 |
12 | 5776221ba1 |
13 | 2985386a82 |
14 | 159bc18a37 |
15 | b52c14de1 |
hex | 6c52fe769 |
29078054761 has 6 divisors (see below), whose sum is σ = 33825492330. Its totient is φ = 24924046896.
The previous prime is 29078054723. The next prime is 29078054807. The reversal of 29078054761 is 16745087092.
It can be written as a sum of positive squares in only one way, i.e., 27002705625 + 2075349136 = 164325^2 + 45556^2 .
It is not a de Polignac number, because 29078054761 - 221 = 29075957609 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 593429689 = 29078054761 / (2 + 9 + 0 + 7 + 8 + 0 + 5 + 4 + 7 + 6 + 1).
It is not an unprimeable number, because it can be changed into a prime (29078054701) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 296714796 + ... + 296714893.
It is an arithmetic number, because the mean of its divisors is an integer number (5637582055).
Almost surely, 229078054761 is an apocalyptic number.
It is an amenable number.
29078054761 is a deficient number, since it is larger than the sum of its proper divisors (4747437569).
29078054761 is an equidigital number, since it uses as much as digits as its factorization.
29078054761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 593429703 (or 593429696 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 49.
The spelling of 29078054761 in words is "twenty-nine billion, seventy-eight million, fifty-four thousand, seven hundred sixty-one".
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