Base | Representation |
---|---|
bin | 10011110100010000… |
… | …00111100000100101 |
3 | 1000110102221020122021 |
4 | 21322020013200211 |
5 | 133242023222403 |
6 | 4515404103141 |
7 | 524433004114 |
oct | 117210074045 |
9 | 30412836567 |
10 | 10638882853 |
11 | 456a410175 |
12 | 208ab34ab1 |
13 | 100717b271 |
14 | 72cd4bc7b |
15 | 42400b8bd |
hex | 27a207825 |
10638882853 has 4 divisors (see below), whose sum is σ = 10640507020. Its totient is φ = 10637258688.
The previous prime is 10638882847. The next prime is 10638882869. The reversal of 10638882853 is 35828883601.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35828883601 = 7 ⋅5118411943.
It can be written as a sum of positive squares in 2 ways, for example, as 9575992449 + 1062890404 = 97857^2 + 32602^2 .
It is a cyclic number.
It is not a de Polignac number, because 10638882853 - 29 = 10638882341 is a prime.
It is a super-2 number, since 2×106388828532 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10638882853.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10636882853) 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, 802218 + ... + 815371.
It is an arithmetic number, because the mean of its divisors is an integer number (2660126755).
Almost surely, 210638882853 is an apocalyptic number.
It is an amenable number.
10638882853 is a deficient number, since it is larger than the sum of its proper divisors (1624167).
10638882853 is an equidigital number, since it uses as much as digits as its factorization.
10638882853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1624166.
The product of its (nonzero) digits is 2211840, while the sum is 52.
The spelling of 10638882853 in words is "ten billion, six hundred thirty-eight million, eight hundred eighty-two thousand, eight hundred fifty-three".
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