Base | Representation |
---|---|
bin | 10010101011110011… |
… | …10000110101111101 |
3 | 221220002100201110220 |
4 | 21111321300311331 |
5 | 131020432441341 |
6 | 4335214051553 |
7 | 503403166524 |
oct | 112571606575 |
9 | 27802321426 |
10 | 10031140221 |
11 | 4288354133 |
12 | 1b3b4a9bb9 |
13 | c3b2a143b |
14 | 6b234b4bb |
15 | 3da9aea66 |
hex | 255e70d7d |
10031140221 has 8 divisors (see below), whose sum is σ = 13377206304. Its totient is φ = 6686250480.
The previous prime is 10031140219. The next prime is 10031140247. The reversal of 10031140221 is 12204113001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10031140221 - 21 = 10031140219 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10031140221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10031140201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273991 + ... + 308436.
It is an arithmetic number, because the mean of its divisors is an integer number (1672150788).
Almost surely, 210031140221 is an apocalyptic number.
It is an amenable number.
10031140221 is a deficient number, since it is larger than the sum of its proper divisors (3346066083).
10031140221 is an equidigital number, since it uses as much as digits as its factorization.
10031140221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588171.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 10031140221 its reverse (12204113001), we get a palindrome (22235253222).
The spelling of 10031140221 in words is "ten billion, thirty-one million, one hundred forty thousand, two hundred twenty-one".
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