Base | Representation |
---|---|
bin | 10010101111110101… |
… | …111010110011110101 |
3 | 1220221220011210100201 |
4 | 102233311322303311 |
5 | 312211241012001 |
6 | 13125252040501 |
7 | 1311561213520 |
oct | 225765726365 |
9 | 56856153321 |
10 | 20130016501 |
11 | 859a962381 |
12 | 3a99603131 |
13 | 1b8a5caa8a |
14 | d8d68bbb7 |
15 | 7cc39e501 |
hex | 4afd7acf5 |
20130016501 has 16 divisors (see below), whose sum is σ = 23757585408. Its totient is φ = 16690867200.
The previous prime is 20130016493. The next prime is 20130016513. The reversal of 20130016501 is 10561003102.
It is not a de Polignac number, because 20130016501 - 23 = 20130016493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130016301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551061 + ... + 586453.
It is an arithmetic number, because the mean of its divisors is an integer number (1484849088).
Almost surely, 220130016501 is an apocalyptic number.
It is an amenable number.
20130016501 is a deficient number, since it is larger than the sum of its proper divisors (3627568907).
20130016501 is a wasteful number, since it uses less digits than its factorization.
20130016501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38052.
The product of its (nonzero) digits is 180, while the sum is 19.
Adding to 20130016501 its reverse (10561003102), we get a palindrome (30691019603).
The spelling of 20130016501 in words is "twenty billion, one hundred thirty million, sixteen thousand, five hundred one".
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