Search a number
-
+
12574773641 = 42143976793
BaseRepresentation
bin10111011011000001…
…11101000110001001
31012110100122200120002
423231200331012021
5201223120224031
65435441012345
7623420545433
oct135540750611
935410580502
1012574773641
11537314a611
12252b3240b5
13125526a181
148740b9653
154d8e58ccb
hex2ed83d189

12574773641 has 8 divisors (see below), whose sum is σ = 12609365064. Its totient is φ = 12540205440.

The previous prime is 12574773619. The next prime is 12574773689. The reversal of 12574773641 is 14637747521.

12574773641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 519612025 + 12055161616 = 22795^2 + 109796^2 .

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 12574773641 - 226 = 12507664777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12574775641) 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 7 ways as a sum of consecutive naturals, for example, 1847741 + ... + 1854533.

It is an arithmetic number, because the mean of its divisors is an integer number (1576170633).

Almost surely, 212574773641 is an apocalyptic number.

It is an amenable number.

12574773641 is a deficient number, since it is larger than the sum of its proper divisors (34591423).

12574773641 is an equidigital number, since it uses as much as digits as its factorization.

12574773641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611.

The product of its digits is 987840, while the sum is 47.

The spelling of 12574773641 in words is "twelve billion, five hundred seventy-four million, seven hundred seventy-three thousand, six hundred forty-one".

Divisors: 1 421 4397 6793 1851137 2859853 29868821 12574773641