Search a number
-
+
2130130110 = 235237129947
BaseRepresentation
bin111111011110111…
…0011010010111110
312111110012211011210
41332331303102332
513330303130420
6551212025250
7103533543603
oct17675632276
95443184153
102130130110
119a3448309
124b5462226
1327c40a124
14162c906aa
15c70199e0
hex7ef734be

2130130110 has 32 divisors (see below), whose sum is σ = 5114639232. Its totient is φ = 567776160.

The previous prime is 2130130043. The next prime is 2130130111. The reversal of 2130130110 is 110310312.

It is a super-2 number, since 2×21301301102 = 9074908571057224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130130111) 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, 56157 + ... + 86103.

It is an arithmetic number, because the mean of its divisors is an integer number (159832476).

Almost surely, 22130130110 is an apocalyptic number.

2130130110 is an abundant number, since it is smaller than the sum of its proper divisors (2984509122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130130110 is a wasteful number, since it uses less digits than its factorization.

2130130110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32328.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2130130110 is about 46153.3325990659. The cubic root of 2130130110 is about 1286.6745487837.

Adding to 2130130110 its reverse (110310312), we get a palindrome (2240440422).

The spelling of 2130130110 in words is "two billion, one hundred thirty million, one hundred thirty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2371 4742 7113 11855 14226 23710 29947 35565 59894 71130 89841 149735 179682 299470 449205 898410 71004337 142008674 213013011 355021685 426026022 710043370 1065065055 2130130110