Base | Representation |
---|---|
bin | 10010101001110100… |
… | …10000100110011001 |
3 | 221211221000221220011 |
4 | 21110322100212121 |
5 | 131002202234311 |
6 | 4333421201521 |
7 | 503111533555 |
oct | 112472204631 |
9 | 27757027804 |
10 | 10014493081 |
11 | 4279a1396a |
12 | 1b35a002a1 |
13 | c379c3168 |
14 | 6b0056865 |
15 | 3d92c2321 |
hex | 254e90999 |
10014493081 has 4 divisors (see below), whose sum is σ = 10057473972. Its totient is φ = 9971512192.
The previous prime is 10014493031. The next prime is 10014493103. The reversal of 10014493081 is 18039441001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18039441001 = 61 ⋅295728541.
It can be written as a sum of positive squares in 2 ways, for example, as 2167368025 + 7847125056 = 46555^2 + 88584^2 .
It is a cyclic number.
It is not a de Polignac number, because 10014493081 - 27 = 10014492953 is a prime.
It is a super-2 number, since 2×100144930812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10014493031) 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, 21490096 + ... + 21490561.
It is an arithmetic number, because the mean of its divisors is an integer number (2514368493).
Almost surely, 210014493081 is an apocalyptic number.
It is an amenable number.
10014493081 is a deficient number, since it is larger than the sum of its proper divisors (42980891).
10014493081 is an equidigital number, since it uses as much as digits as its factorization.
10014493081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42980890.
The product of its (nonzero) digits is 3456, while the sum is 31.
The spelling of 10014493081 in words is "ten billion, fourteen million, four hundred ninety-three thousand, eighty-one".
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