Base | Representation |
---|---|
bin | 1011011110011111… |
… | …00110111111100001 |
3 | 120220101122000000210 |
4 | 11233033212333201 |
5 | 100104300031040 |
6 | 2455214404333 |
7 | 305453304435 |
oct | 55717467741 |
9 | 16811560023 |
10 | 6161330145 |
11 | 2681a01593 |
12 | 123b5006a9 |
13 | 772633aa9 |
14 | 4264069c5 |
15 | 260da4480 |
hex | 16f3e6fe1 |
6161330145 has 64 divisors (see below), whose sum is σ = 10723104000. Its totient is φ = 3008716800.
The previous prime is 6161330107. The next prime is 6161330167. The reversal of 6161330145 is 5410331616.
It is not a de Polignac number, because 6161330145 - 213 = 6161321953 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5216455 + ... + 5217635.
It is an arithmetic number, because the mean of its divisors is an integer number (167548500).
Almost surely, 26161330145 is an apocalyptic number.
It is an amenable number.
6161330145 is a deficient number, since it is larger than the sum of its proper divisors (4561773855).
6161330145 is a wasteful number, since it uses less digits than its factorization.
6161330145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1746.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 6161330145 is about 78494.1408322940. The cubic root of 6161330145 is about 1833.2632256570.
The spelling of 6161330145 in words is "six billion, one hundred sixty-one million, three hundred thirty thousand, one hundred forty-five".
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