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103217248009 = 559331845373
BaseRepresentation
bin110000000100000111…
…0100011011100001001
3100212102101110110211101
41200020032203130021
53142342103414014
6115230051501401
710312551063211
oct1401016433411
9325371413741
10103217248009
113a85749a157
12180072b7861
13996c209ba5
144dd2459241
152a418e3474
hex18083a3709

103217248009 has 4 divisors (see below), whose sum is σ = 103219149316. Its totient is φ = 103215346704.

The previous prime is 103217247989. The next prime is 103217248019. The reversal of 103217248009 is 900842712301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22076016400 + 81141231609 = 148580^2 + 284853^2 .

It is a cyclic number.

It is not a de Polignac number, because 103217248009 - 25 = 103217247977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103217248019) 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, 866754 + ... + 978619.

It is an arithmetic number, because the mean of its divisors is an integer number (25804787329).

Almost surely, 2103217248009 is an apocalyptic number.

It is an amenable number.

103217248009 is a deficient number, since it is larger than the sum of its proper divisors (1901307).

103217248009 is an equidigital number, since it uses as much as digits as its factorization.

103217248009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901306.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 103217248009 in words is "one hundred three billion, two hundred seventeen million, two hundred forty-eight thousand, nine".

Divisors: 1 55933 1845373 103217248009