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103220345641 = 714745763663
BaseRepresentation
bin110000000100001101…
…0010111101100101001
3100212102121021211222111
41200020122113230221
53142343402030031
6115230242122321
710312616314210
oct1401032275451
9325377254874
10103220345641
113a859215486
12180083503a1
13996ca52aca
144dd2a24077
152a41d061b1
hex1808697b29

103220345641 has 4 divisors (see below), whose sum is σ = 117966109312. Its totient is φ = 88474581972.

The previous prime is 103220345621. The next prime is 103220345647. The reversal of 103220345641 is 146543022301.

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 not a de Polignac number, because 103220345641 - 25 = 103220345609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103220345647) 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, 7372881825 + ... + 7372881838.

It is an arithmetic number, because the mean of its divisors is an integer number (29491527328).

Almost surely, 2103220345641 is an apocalyptic number.

It is an amenable number.

103220345641 is a deficient number, since it is larger than the sum of its proper divisors (14745763671).

103220345641 is an equidigital number, since it uses as much as digits as its factorization.

103220345641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14745763670.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 103220345641 its reverse (146543022301), we get a palindrome (249763367942).

The spelling of 103220345641 in words is "one hundred three billion, two hundred twenty million, three hundred forty-five thousand, six hundred forty-one".

Divisors: 1 7 14745763663 103220345641