Search a number
-
+
103120100197 = 983104903459
BaseRepresentation
bin110000000001001101…
…1111101101101100101
3100212011121122212002021
41200002123331231211
53142142221201242
6115212301343141
710310261250352
oct1400233755545
9325147585067
10103120100197
113a807676604
1217b9a867ab1
13995505468a
144dc35ab629
152a38103b67
hex18026fdb65

103120100197 has 4 divisors (see below), whose sum is σ = 103225004640. Its totient is φ = 103015195756.

The previous prime is 103120100159. The next prime is 103120100201. The reversal of 103120100197 is 791001021301.

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 a cyclic number.

It is not a de Polignac number, because 103120100197 - 235 = 68760361829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120100137) 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, 52450747 + ... + 52452712.

It is an arithmetic number, because the mean of its divisors is an integer number (25806251160).

Almost surely, 2103120100197 is an apocalyptic number.

It is an amenable number.

103120100197 is a deficient number, since it is larger than the sum of its proper divisors (104904443).

103120100197 is an equidigital number, since it uses as much as digits as its factorization.

103120100197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104904442.

The product of its (nonzero) digits is 378, while the sum is 25.

Adding to 103120100197 its reverse (791001021301), we get a palindrome (894121121498).

The spelling of 103120100197 in words is "one hundred three billion, one hundred twenty million, one hundred thousand, one hundred ninety-seven".

Divisors: 1 983 104903459 103120100197