Search a number
-
+
121123203313 = 7232512997283
BaseRepresentation
bin111000011001110000…
…0010110100011110001
3102120122021200020210011
41300303200112203301
53441030020001223
6131350534334521
711515355145430
oct1606340264361
9376567606704
10121123203313
1147405988422
121b583aba441
13b563b00508
145c105a5117
15323d8c180d
hex1c338168f1

121123203313 has 16 divisors (see below), whose sum is σ = 145020589056. Its totient is φ = 98910306000.

The previous prime is 121123203281. The next prime is 121123203353. The reversal of 121123203313 is 313302321121.

Adding to 121123203313 its reverse (313302321121), we get a palindrome (434425524434).

It is a cyclic number.

It is not a de Polignac number, because 121123203313 - 25 = 121123203281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121123203353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458231 + ... + 1539052.

It is an arithmetic number, because the mean of its divisors is an integer number (9063786816).

Almost surely, 2121123203313 is an apocalyptic number.

It is an amenable number.

121123203313 is a deficient number, since it is larger than the sum of its proper divisors (23897385743).

121123203313 is a wasteful number, since it uses less digits than its factorization.

121123203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997564.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 121123203313 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred three thousand, three hundred thirteen".

Divisors: 1 7 23 161 251 1757 5773 40411 2997283 20980981 68937509 482562563 752318033 5266226231 17303314759 121123203313