Search a number
-
+
13121302301013 = 39403465145957
BaseRepresentation
bin1011111011110000101010…
…0100000000100101010101
31201110101101010011212220210
42332330022210000211111
53204434411342113023
643523502033520033
72522661050216634
oct276741244004525
951411333155823
1013121302301013
1141a9793093945
12157abb5713019
13742444904baa
143351082cb51b
1517b4adb34593
hexbef0a900955

13121302301013 has 8 divisors (see below), whose sum is σ = 17496930356128. Its totient is φ = 8746604556624.

The previous prime is 13121302300973. The next prime is 13121302301033. The reversal of 13121302301013 is 31010320312131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13121302301013 - 212 = 13121302296917 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 (13121302301033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232544770 + ... + 232601187.

It is an arithmetic number, because the mean of its divisors is an integer number (2187116294516).

Almost surely, 213121302301013 is an apocalyptic number.

It is an amenable number.

13121302301013 is a deficient number, since it is larger than the sum of its proper divisors (4375628055115).

13121302301013 is an equidigital number, since it uses as much as digits as its factorization.

13121302301013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465155363.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13121302301013 its reverse (31010320312131), we get a palindrome (44131622613144).

The spelling of 13121302301013 in words is "thirteen trillion, one hundred twenty-one billion, three hundred two million, three hundred one thousand, thirteen".

Divisors: 1 3 9403 28209 465145957 1395437871 4373767433671 13121302301013