Search a number
-
+
2100264517 = 131571029037
BaseRepresentation
bin111110100101111…
…0111111001000101
312102101000111021201
41331023313321011
513300131431032
6544223542501
7103021645111
oct17513677105
95371014251
102100264517
119885a98aa
124a745aa31
13276181390
1415cd18741
15c45ba8e7
hex7d2f7e45

2100264517 has 8 divisors (see below), whose sum is σ = 2276232056. Its totient is φ = 1926355392.

The previous prime is 2100264511. The next prime is 2100264557. The reversal of 2100264517 is 7154620012.

It can be written as a sum of positive squares in 4 ways, for example, as 405377956 + 1694886561 = 20134^2 + 41169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100264517 - 211 = 2100262469 is a prime.

It is a super-2 number, since 2×21002645172 = 8822222082738486578, which 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 (2100264511) 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, 512478 + ... + 516559.

It is an arithmetic number, because the mean of its divisors is an integer number (284529007).

Almost surely, 22100264517 is an apocalyptic number.

It is an amenable number.

2100264517 is a deficient number, since it is larger than the sum of its proper divisors (175967539).

2100264517 is a wasteful number, since it uses less digits than its factorization.

2100264517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029207.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2100264517 is about 45828.6429757635. The cubic root of 2100264517 is about 1280.6329301839.

Adding to 2100264517 its reverse (7154620012), we get a palindrome (9254884529).

The spelling of 2100264517 in words is "two billion, one hundred million, two hundred sixty-four thousand, five hundred seventeen".

Divisors: 1 13 157 2041 1029037 13377481 161558809 2100264517