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113144431201 = 611854826741
BaseRepresentation
bin110100101011111101…
…1110000001001100001
3101211001020012122001221
41221113323300021201
53323204433244301
6123551113455041
711113552540234
oct1512773601141
9354036178057
10113144431201
1143a9109988a
1219b17a11481
13a891ab0699
145694a6541b
152e231bada1
hex1a57ef0261

113144431201 has 4 divisors (see below), whose sum is σ = 114999258004. Its totient is φ = 111289604400.

The previous prime is 113144431187. The next prime is 113144431247. The reversal of 113144431201 is 102134441311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102134441311 = 714590634473.

It can be written as a sum of positive squares in 2 ways, for example, as 28509984801 + 84634446400 = 168849^2 + 290920^2 .

It is a cyclic number.

It is not a de Polignac number, because 113144431201 - 29 = 113144430689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113144431261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927413310 + ... + 927413431.

It is an arithmetic number, because the mean of its divisors is an integer number (28749814501).

Almost surely, 2113144431201 is an apocalyptic number.

It is an amenable number.

113144431201 is a deficient number, since it is larger than the sum of its proper divisors (1854826803).

113144431201 is an equidigital number, since it uses as much as digits as its factorization.

113144431201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854826802.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 113144431201 its reverse (102134441311), we get a palindrome (215278872512).

The spelling of 113144431201 in words is "one hundred thirteen billion, one hundred forty-four million, four hundred thirty-one thousand, two hundred one".

Divisors: 1 61 1854826741 113144431201