Search a number
-
+
2313235129 = 4156420369
BaseRepresentation
bin1000100111100001…
…0010101010111001
312222012202112001011
42021320102222321
514214142011004
61021312353521
7111216113512
oct21170225271
95865675034
102313235129
11a87840877
125468458a1
132ab32a3aa
1417d315a09
15d8138004
hex89e12ab9

2313235129 has 4 divisors (see below), whose sum is σ = 2369655540. Its totient is φ = 2256814720.

The previous prime is 2313235109. The next prime is 2313235151. The reversal of 2313235129 is 9215323132.

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 299290000 + 2013945129 = 17300^2 + 44877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313235129 - 29 = 2313234617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313235129.

It is not an unprimeable number, because it can be changed into a prime (2313235109) 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, 28210144 + ... + 28210225.

It is an arithmetic number, because the mean of its divisors is an integer number (592413885).

Almost surely, 22313235129 is an apocalyptic number.

It is an amenable number.

2313235129 is a deficient number, since it is larger than the sum of its proper divisors (56420411).

2313235129 is an equidigital number, since it uses as much as digits as its factorization.

2313235129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56420410.

The product of its digits is 9720, while the sum is 31.

The square root of 2313235129 is about 48096.1030541976. The cubic root of 2313235129 is about 1322.5332301069.

The spelling of 2313235129 in words is "two billion, three hundred thirteen million, two hundred thirty-five thousand, one hundred twenty-nine".

Divisors: 1 41 56420369 2313235129