Base | Representation |
---|---|
bin | 10000101100111… |
… | …01011101010001 |
3 | 100202122002200120 |
4 | 20112131131101 |
5 | 241331334203 |
6 | 21522540453 |
7 | 3320610000 |
oct | 1026353521 |
9 | 322562616 |
10 | 140105553 |
11 | 720a4415 |
12 | 3ab07729 |
13 | 230463c3 |
14 | 14870c37 |
15 | c477b53 |
hex | 859d751 |
140105553 has 40 divisors (see below), whose sum is σ = 222645888. Its totient is φ = 78335712.
The previous prime is 140105521. The next prime is 140105557. The reversal of 140105553 is 355501041.
140105553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 140105553 - 25 = 140105521 is a prime.
It is not an unprimeable number, because it can be changed into a prime (140105557) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 381576 + ... + 381942.
Almost surely, 2140105553 is an apocalyptic number.
It is an amenable number.
140105553 is a deficient number, since it is larger than the sum of its proper divisors (82540335).
140105553 is an frugal number, since it uses more digits than its factorization.
140105553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451 (or 430 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 24.
The square root of 140105553 is about 11836.6191541335. The cubic root of 140105553 is about 519.3798734339.
Adding to 140105553 its reverse (355501041), we get a palindrome (495606594).
The spelling of 140105553 in words is "one hundred forty million, one hundred five thousand, five hundred fifty-three".
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