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103121202241 = 17320989457
BaseRepresentation
bin110000000001010000…
…0001010110001000001
3100212011200201211210201
41200002200022301001
53142143011432431
6115212341125201
710310303520331
oct1400240126101
9325150654721
10103121202241
113a808259592
1217b9b0b9801
13995534c185
144dc37b70c1
152a38270461
hex180280ac41

103121202241 has 8 divisors (see below), whose sum is σ = 109564970760. Its totient is φ = 97055244544.

The previous prime is 103121202227. The next prime is 103121202253. The reversal of 103121202241 is 142202121301.

It can be written as a sum of positive squares in 4 ways, for example, as 3641519025 + 99479683216 = 60345^2 + 315404^2 .

It is not a de Polignac number, because 103121202241 - 219 = 103120677953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103121202221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10489816 + ... + 10499641.

It is an arithmetic number, because the mean of its divisors is an integer number (13695621345).

Almost surely, 2103121202241 is an apocalyptic number.

It is an amenable number.

103121202241 is a deficient number, since it is larger than the sum of its proper divisors (6443768519).

103121202241 is an frugal number, since it uses more digits than its factorization.

103121202241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20989508 (or 20989474 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 103121202241 its reverse (142202121301), we get a palindrome (245323323542).

The spelling of 103121202241 in words is "one hundred three billion, one hundred twenty-one million, two hundred two thousand, two hundred forty-one".

Divisors: 1 17 289 4913 20989457 356820769 6065953073 103121202241