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4344955891 = 19228681889
BaseRepresentation
bin1000000101111101…
…01100001111110011
3102012210210121222021
410002332230033303
532344302042031
61555051252311
7212446341613
oct40276541763
912183717867
104344955891
11192a683741
12a1314a097
1354322ca23
142d30aaa43
151a66b4511
hex102fac3f3

4344955891 has 4 divisors (see below), whose sum is σ = 4573637800. Its totient is φ = 4116273984.

The previous prime is 4344955889. The next prime is 4344955903. The reversal of 4344955891 is 1985594434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4344955891 - 21 = 4344955889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4344955801) 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, 114340926 + ... + 114340963.

It is an arithmetic number, because the mean of its divisors is an integer number (1143409450).

Almost surely, 24344955891 is an apocalyptic number.

4344955891 is a deficient number, since it is larger than the sum of its proper divisors (228681909).

4344955891 is a wasteful number, since it uses less digits than its factorization.

4344955891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228681908.

The product of its digits is 3110400, while the sum is 52.

The square root of 4344955891 is about 65916.2794080491. The cubic root of 4344955891 is about 1631.7806942664.

The spelling of 4344955891 in words is "four billion, three hundred forty-four million, nine hundred fifty-five thousand, eight hundred ninety-one".

Divisors: 1 19 228681889 4344955891