Base | Representation |
---|---|
bin | 10010110101001010… |
… | …11110101010110101 |
3 | 222002120012102112222 |
4 | 21122211132222311 |
5 | 131201041141411 |
6 | 4351102052125 |
7 | 505346052131 |
oct | 113245365265 |
9 | 28076172488 |
10 | 10109708981 |
11 | 4318737a99 |
12 | 1b6187a045 |
13 | c51650228 |
14 | 6bc9603c1 |
15 | 3e282e4db |
hex | 25a95eab5 |
10109708981 has 8 divisors (see below), whose sum is σ = 10213530624. Its totient is φ = 10006291360.
The previous prime is 10109708881. The next prime is 10109709011. The reversal of 10109708981 is 18980790101.
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 10109708981 - 210 = 10109707957 is a prime.
It is a super-2 number, since 2×101097089812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10109708881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50576 + ... + 150921.
It is an arithmetic number, because the mean of its divisors is an integer number (1276691328).
Almost surely, 210109708981 is an apocalyptic number.
It is an amenable number.
10109708981 is a deficient number, since it is larger than the sum of its proper divisors (103821643).
10109708981 is a wasteful number, since it uses less digits than its factorization.
10109708981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202011.
The product of its (nonzero) digits is 36288, while the sum is 44.
The spelling of 10109708981 in words is "ten billion, one hundred nine million, seven hundred eight thousand, nine hundred eighty-one".
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