Search a number
-
+
1210131011323 = 13532251780257
BaseRepresentation
bin10001100111000001011…
…011011101011011111011
311021200120002222210212001
4101213001123131123323
5124311322014330243
62323532043201431
7153300113610133
oct21470133353373
94250502883761
101210131011323
11427239453923
12176646516277
138a165486070
14427dbc31ac3
1521729326a4d
hex119c16dd6fb

1210131011323 has 16 divisors (see below), whose sum is σ = 1328398608096. Its totient is φ = 1095479424000.

The previous prime is 1210131011311. The next prime is 1210131011333. The reversal of 1210131011323 is 3231101310121.

It is not a de Polignac number, because 1210131011323 - 25 = 1210131011291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1210131011323.

It is not an unprimeable number, because it can be changed into a prime (1210131011333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160811 + ... + 1941067.

It is an arithmetic number, because the mean of its divisors is an integer number (83024913006).

Almost surely, 21210131011323 is an apocalyptic number.

1210131011323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1210131011323 is a deficient number, since it is larger than the sum of its proper divisors (118267596773).

1210131011323 is a wasteful number, since it uses less digits than its factorization.

1210131011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782574.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1210131011323 its reverse (3231101310121), we get a palindrome (4441232321444).

The spelling of 1210131011323 in words is "one trillion, two hundred ten billion, one hundred thirty-one million, eleven thousand, three hundred twenty-three".

Divisors: 1 13 53 689 2251 29263 119303 780257 1550939 10143341 41353621 537597073 1756358507 22832660591 93087000871 1210131011323