Search a number
-
+
103205105097 = 334401701699
BaseRepresentation
bin110000000011110000…
…0001110110111001001
3100212101112121112212220
41200013200032313021
53142331001330342
6115224535324253
710312342630143
oct1400740166711
9325345545786
10103205105097
113a850655a96
1218003220689
139969847b33
144dd09b7c93
152a407e55ec
hex180780edc9

103205105097 has 4 divisors (see below), whose sum is σ = 137606806800. Its totient is φ = 68803403396.

The previous prime is 103205105077. The next prime is 103205105117. The reversal of 103205105097 is 790501502301.

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 an interprime number because it is at equal distance from previous prime (103205105077) and next prime (103205105117).

It is a cyclic number.

It is not a de Polignac number, because 103205105097 - 210 = 103205104073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103205105057) 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, 17200850847 + ... + 17200850852.

It is an arithmetic number, because the mean of its divisors is an integer number (34401701700).

Almost surely, 2103205105097 is an apocalyptic number.

It is an amenable number.

103205105097 is a deficient number, since it is larger than the sum of its proper divisors (34401701703).

103205105097 is an equidigital number, since it uses as much as digits as its factorization.

103205105097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34401701702.

The product of its (nonzero) digits is 9450, while the sum is 33.

Adding to 103205105097 its reverse (790501502301), we get a palindrome (893706607398).

The spelling of 103205105097 in words is "one hundred three billion, two hundred five million, one hundred five thousand, ninety-seven".

Divisors: 1 3 34401701699 103205105097