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2104231313 = 4744770879
BaseRepresentation
bin111110101101100…
…0000010110010001
312102122111000201002
41331123000112101
513302140400223
6544444551345
7103100446112
oct17533002621
95378430632
102104231313
1198a869148
124a8852555
13276c3cab2
1415d66c209
15c4b00e28
hex7d6c0591

2104231313 has 4 divisors (see below), whose sum is σ = 2149002240. Its totient is φ = 2059460388.

The previous prime is 2104231309. The next prime is 2104231319. The reversal of 2104231313 is 3131324012.

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 2104231313 - 22 = 2104231309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104231319) 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, 22385393 + ... + 22385486.

It is an arithmetic number, because the mean of its divisors is an integer number (537250560).

Almost surely, 22104231313 is an apocalyptic number.

It is an amenable number.

2104231313 is a deficient number, since it is larger than the sum of its proper divisors (44770927).

2104231313 is an equidigital number, since it uses as much as digits as its factorization.

2104231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44770926.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2104231313 is about 45871.9011269426. The cubic root of 2104231313 is about 1281.4386722971.

Adding to 2104231313 its reverse (3131324012), we get a palindrome (5235555325).

The spelling of 2104231313 in words is "two billion, one hundred four million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 47 44770879 2104231313