Base | Representation |
---|---|
bin | 10010111111111001… |
… | …10000001000001001 |
3 | 222022211112020101010 |
4 | 21133330300020021 |
5 | 131342110232011 |
6 | 4404034514133 |
7 | 510520661454 |
oct | 113774601011 |
9 | 28284466333 |
10 | 10199695881 |
11 | 436450a531 |
12 | 1b87a35949 |
13 | c6719920b |
14 | 6ca8a649b |
15 | 3ea6a71a6 |
hex | 25ff30209 |
10199695881 has 16 divisors (see below), whose sum is σ = 14317842240. Its totient is φ = 6440797440.
The previous prime is 10199695867. The next prime is 10199695931. The reversal of 10199695881 is 18859699101.
It is not a de Polignac number, because 10199695881 - 213 = 10199687689 is a prime.
It is a super-3 number, since 3×101996958813 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10199695801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425701 + ... + 449021.
It is an arithmetic number, because the mean of its divisors is an integer number (894865140).
Almost surely, 210199695881 is an apocalyptic number.
It is an amenable number.
10199695881 is a deficient number, since it is larger than the sum of its proper divisors (4118146359).
10199695881 is a wasteful number, since it uses less digits than its factorization.
10199695881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31016.
The product of its (nonzero) digits is 1399680, while the sum is 57.
The spelling of 10199695881 in words is "ten billion, one hundred ninety-nine million, six hundred ninety-five thousand, eight hundred eighty-one".
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