Search a number
-
+
1210234103 = 1393094931
BaseRepresentation
bin100100000100010…
…1011010011110111
310010100021021002022
41020020223103313
54434304442403
6320031303355
741663551211
oct11010532367
93110237068
101210234103
11571166881
1229937ab5b
13163968770
14b6a355b1
15713acd38
hex4822b4f7

1210234103 has 4 divisors (see below), whose sum is σ = 1303329048. Its totient is φ = 1117139160.

The previous prime is 1210234057. The next prime is 1210234117. The reversal of 1210234103 is 3014320121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3014320121 = 21111427911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1210234103 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 (1210234133) 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, 46547453 + ... + 46547478.

It is an arithmetic number, because the mean of its divisors is an integer number (325832262).

Almost surely, 21210234103 is an apocalyptic number.

1210234103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1210234103 is a deficient number, since it is larger than the sum of its proper divisors (93094945).

1210234103 is an equidigital number, since it uses as much as digits as its factorization.

1210234103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93094944.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1210234103 is about 34788.4190931408. The cubic root of 1210234103 is about 1065.6709542857.

Adding to 1210234103 its reverse (3014320121), we get a palindrome (4224554224).

The spelling of 1210234103 in words is "one billion, two hundred ten million, two hundred thirty-four thousand, one hundred three".

Divisors: 1 13 93094931 1210234103