Search a number
-
+
2130240013 = 112323336137
BaseRepresentation
bin111111011111000…
…1110001000001101
312111110102101221021
41332332032020031
513330320140023
6551214234141
7103534512166
oct17676161015
95443371837
102130240013
119a3512940
124b54b5951
1327c448165
14162cbc76d
15c703c35d
hex7ef8e20d

2130240013 has 16 divisors (see below), whose sum is σ = 2435412096. Its totient is φ = 1844381440.

The previous prime is 2130239981. The next prime is 2130240031. The reversal of 2130240013 is 3100420312.

It is a happy number.

It is not a de Polignac number, because 2130240013 - 25 = 2130239981 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 (2130210013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40881 + ... + 77017.

It is an arithmetic number, because the mean of its divisors is an integer number (152213256).

Almost surely, 22130240013 is an apocalyptic number.

2130240013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2130240013 is a deficient number, since it is larger than the sum of its proper divisors (305172083).

2130240013 is a wasteful number, since it uses less digits than its factorization.

2130240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36404.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2130240013 is about 46154.5232127903. The cubic root of 2130240013 is about 1286.6966768469.

Adding to 2130240013 its reverse (3100420312), we get a palindrome (5230660325).

The spelling of 2130240013 in words is "two billion, one hundred thirty million, two hundred forty thousand, thirteen".

Divisors: 1 11 23 233 253 2563 5359 36137 58949 397507 831151 8419921 9142661 92619131 193658183 2130240013