Base | Representation |
---|---|
bin | 10010101111110101… |
… | …111111010101101101 |
3 | 1220221220012201210211 |
4 | 102233311333111231 |
5 | 312211242110203 |
6 | 13125252302421 |
7 | 1311561321562 |
oct | 225765772555 |
9 | 56856181724 |
10 | 20130035053 |
11 | 859a975307 |
12 | 3a99611a11 |
13 | 1b8a60635b |
14 | d8d694869 |
15 | 7cc3a4c6d |
hex | 4afd7f56d |
20130035053 has 4 divisors (see below), whose sum is σ = 21314154780. Its totient is φ = 18945915328.
The previous prime is 20130034957. The next prime is 20130035113. The reversal of 20130035053 is 35053003102.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6244476484 + 13885558569 = 79022^2 + 117837^2 .
It is a cyclic number.
It is not a de Polignac number, because 20130035053 - 221 = 20127937901 is a prime.
It is a super-2 number, since 2×201300350532 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130035153) 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, 592059838 + ... + 592059871.
It is an arithmetic number, because the mean of its divisors is an integer number (5328538695).
Almost surely, 220130035053 is an apocalyptic number.
It is an amenable number.
20130035053 is a deficient number, since it is larger than the sum of its proper divisors (1184119727).
20130035053 is a wasteful number, since it uses less digits than its factorization.
20130035053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184119726.
The product of its (nonzero) digits is 1350, while the sum is 22.
Adding to 20130035053 its reverse (35053003102), we get a palindrome (55183038155).
The spelling of 20130035053 in words is "twenty billion, one hundred thirty million, thirty-five thousand, fifty-three".
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