Search a number
-
+
2045235913 = 7292176559
BaseRepresentation
bin111100111100111…
…1101001011001001
312021112110202020021
41321321331023021
513142040022123
6534540300441
7101453134630
oct17171751311
95245422207
102045235913
1195a534016
12490b41721
13267955186
141558b2517
15be84ac5d
hex79e7d2c9

2045235913 has 4 divisors (see below), whose sum is σ = 2337412480. Its totient is φ = 1753059348.

The previous prime is 2045235911. The next prime is 2045235917. The reversal of 2045235913 is 3195325402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2045235913 - 21 = 2045235911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045235911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146088273 + ... + 146088286.

It is an arithmetic number, because the mean of its divisors is an integer number (584353120).

Almost surely, 22045235913 is an apocalyptic number.

It is an amenable number.

2045235913 is a deficient number, since it is larger than the sum of its proper divisors (292176567).

2045235913 is an equidigital number, since it uses as much as digits as its factorization.

2045235913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292176566.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2045235913 is about 45224.2845493436. The cubic root of 2045235913 is about 1269.3492673486.

It can be divided in two parts, 20452 and 35913, that added together give a palindrome (56365).

The spelling of 2045235913 in words is "two billion, forty-five million, two hundred thirty-five thousand, nine hundred thirteen".

Divisors: 1 7 292176559 2045235913