Search a number
-
+
103405215247 is a prime number
BaseRepresentation
bin110000001001101101…
…1100101111000001111
3100212220111011012101221
41200103123211320033
53143233213341442
6115300444344211
710320322553515
oct1402333457017
9325814135357
10103405215247
113a943603784
121805a245067
13999c1402c9
14500d3c84b5
152a53172467
hex18136e5e0f

103405215247 has 2 divisors, whose sum is σ = 103405215248. Its totient is φ = 103405215246.

The previous prime is 103405215187. The next prime is 103405215289. The reversal of 103405215247 is 742512504301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103405215247 - 27 = 103405215119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103405215047) 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 as a sum of consecutive naturals, namely, 51702607623 + 51702607624.

It is an arithmetic number, because the mean of its divisors is an integer number (51702607624).

Almost surely, 2103405215247 is an apocalyptic number.

103405215247 is a deficient number, since it is larger than the sum of its proper divisors (1).

103405215247 is an equidigital number, since it uses as much as digits as its factorization.

103405215247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 103405215247 its reverse (742512504301), we get a palindrome (845917719548).

The spelling of 103405215247 in words is "one hundred three billion, four hundred five million, two hundred fifteen thousand, two hundred forty-seven".