Base | Representation |
---|---|
bin | 110001111010111100010… |
… | …0110100010101101011111 |
3 | 220021220122220000210100212 |
4 | 1203311320212202231133 |
5 | 1344403001023010104 |
6 | 22331534531243035 |
7 | 1305461052643436 |
oct | 143657046425537 |
9 | 26256586023325 |
10 | 6861086141279 |
11 | 2205852293227 |
12 | 929883a4947b |
13 | 3a9cc7aa42a6 |
14 | 19a114d7a11d |
15 | bd71502736e |
hex | 63d789a2b5f |
6861086141279 has 4 divisors (see below), whose sum is σ = 6861092703360. Its totient is φ = 6861079579200.
The previous prime is 6861086141263. The next prime is 6861086141311. The reversal of 6861086141279 is 9721416801686.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 6861086141279 - 24 = 6861086141263 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 (6861086141579) 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, 1323314 + ... + 3933615.
It is an arithmetic number, because the mean of its divisors is an integer number (1715273175840).
Almost surely, 26861086141279 is an apocalyptic number.
6861086141279 is a deficient number, since it is larger than the sum of its proper divisors (6562081).
6861086141279 is a wasteful number, since it uses less digits than its factorization.
6861086141279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6562080.
The product of its (nonzero) digits is 6967296, while the sum is 59.
The spelling of 6861086141279 in words is "six trillion, eight hundred sixty-one billion, eighty-six million, one hundred forty-one thousand, two hundred seventy-nine".
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