Base | Representation |
---|---|
bin | 1000101001011001… |
… | …00000111100010001 |
3 | 102222112002020000020 |
4 | 10110230200330101 |
5 | 34001344242011 |
6 | 2044350014053 |
7 | 223015613022 |
oct | 42454407421 |
9 | 12875066006 |
10 | 4642180881 |
11 | 1a72432228 |
12 | a967a7329 |
13 | 58c9986c0 |
14 | 32075ac49 |
15 | 1c2826006 |
hex | 114b20f11 |
4642180881 has 16 divisors (see below), whose sum is σ = 6678047040. Its totient is φ = 2851433280.
The previous prime is 4642180877. The next prime is 4642180883. The reversal of 4642180881 is 1880812464.
It is not a de Polignac number, because 4642180881 - 22 = 4642180877 is a prime.
It is a super-2 number, since 2×46421808812 = 43099686663843872322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (4642180883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88911 + ... + 131108.
It is an arithmetic number, because the mean of its divisors is an integer number (417377940).
Almost surely, 24642180881 is an apocalyptic number.
It is an amenable number.
4642180881 is a deficient number, since it is larger than the sum of its proper divisors (2035866159).
4642180881 is a wasteful number, since it uses less digits than its factorization.
4642180881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220576.
The product of its (nonzero) digits is 98304, while the sum is 42.
The square root of 4642180881 is about 68133.5518008565. The cubic root of 4642180881 is about 1668.1714577844.
The spelling of 4642180881 in words is "four billion, six hundred forty-two million, one hundred eighty thousand, eight hundred eighty-one".
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