Search a number
-
+
1300087141 = 1968425639
BaseRepresentation
bin100110101111101…
…1100000101100101
310100121100021021121
41031133130011211
510130310242031
6333001213541
744134362343
oct11537340545
93317307247
101300087141
11607957791
123034912b1
13179468842
14c4944993
157920b011
hex4d7dc165

1300087141 has 4 divisors (see below), whose sum is σ = 1368512800. Its totient is φ = 1231661484.

The previous prime is 1300087127. The next prime is 1300087181. The reversal of 1300087141 is 1417800031.

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 1300087141 - 29 = 1300086629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300087181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34212801 + ... + 34212838.

It is an arithmetic number, because the mean of its divisors is an integer number (342128200).

Almost surely, 21300087141 is an apocalyptic number.

It is an amenable number.

1300087141 is a deficient number, since it is larger than the sum of its proper divisors (68425659).

1300087141 is an equidigital number, since it uses as much as digits as its factorization.

1300087141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68425658.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1300087141 is about 36056.7211626349. The cubic root of 1300087141 is about 1091.4172684309.

Adding to 1300087141 its reverse (1417800031), we get a palindrome (2717887172).

The spelling of 1300087141 in words is "one billion, three hundred million, eighty-seven thousand, one hundred forty-one".

Divisors: 1 19 68425639 1300087141