Base | Representation |
---|---|
bin | 101101101101110001… |
… | …111001110100000101 |
3 | 11200200220210110001201 |
4 | 231231301321310011 |
5 | 1301012112014121 |
6 | 34314444422501 |
7 | 3355256562421 |
oct | 555561716405 |
9 | 150626713051 |
10 | 49086438661 |
11 | 198aa018987 |
12 | 961ab47a31 |
13 | 48237087a0 |
14 | 2539283b81 |
15 | 1424589e91 |
hex | b6dc79d05 |
49086438661 has 8 divisors (see below), whose sum is σ = 53606859264. Its totient is φ = 44672381040.
The previous prime is 49086438601. The next prime is 49086438697. The reversal of 49086438661 is 16683468094.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49086438661 - 213 = 49086430469 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 (49086438601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26589781 + ... + 26591626.
It is an arithmetic number, because the mean of its divisors is an integer number (6700857408).
Almost surely, 249086438661 is an apocalyptic number.
It is an amenable number.
49086438661 is a deficient number, since it is larger than the sum of its proper divisors (4520420603).
49086438661 is a wasteful number, since it uses less digits than its factorization.
49086438661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53181491.
The product of its (nonzero) digits is 5971968, while the sum is 55.
The spelling of 49086438661 in words is "forty-nine billion, eighty-six million, four hundred thirty-eight thousand, six hundred sixty-one".
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