Search a number
-
+
2104130321 = 23577158551
BaseRepresentation
bin111110101101010…
…0111101100010001
312102122021220011122
41331122213230101
513302124132241
6544442452025
7103066545506
oct17532475421
95378256148
102104130321
1198a7aa287
124a8804015
13276c05b37
1415d6434ad
15c4ad104b
hex7d6a7b11

2104130321 has 8 divisors (see below), whose sum is σ = 2199433344. Its totient is φ = 2009145600.

The previous prime is 2104130297. The next prime is 2104130333. The reversal of 2104130321 is 1230314012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104130321 - 218 = 2103868177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104130321.

It is not an unprimeable number, because it can be changed into a prime (2104130521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66005 + ... + 92546.

It is an arithmetic number, because the mean of its divisors is an integer number (274929168).

Almost surely, 22104130321 is an apocalyptic number.

It is an amenable number.

2104130321 is a deficient number, since it is larger than the sum of its proper divisors (95303023).

2104130321 is a wasteful number, since it uses less digits than its factorization.

2104130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159151.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2104130321 is about 45870.8003091291. The cubic root of 2104130321 is about 1281.4181712042.

Adding to 2104130321 its reverse (1230314012), we get a palindrome (3334444333).

The spelling of 2104130321 in words is "two billion, one hundred four million, one hundred thirty thousand, three hundred twenty-one".

Divisors: 1 23 577 13271 158551 3646673 91483927 2104130321