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13122102333013 = 68319212448511
BaseRepresentation
bin1011111011110011101000…
…1111111000111001010101
31201110110102212120201111121
42332330322033320321111
53204443031144124023
643524113253203541
72523016633325512
oct276747217707125
951413385521447
1013122102333013
1141aa063746813
12157b1996305b1
137425415994cb
14335182664309
1517b508eb5d5d
hexbef3a3f8e55

13122102333013 has 4 divisors (see below), whose sum is σ = 13141314782208. Its totient is φ = 13102889883820.

The previous prime is 13122102333007. The next prime is 13122102333047. The reversal of 13122102333013 is 31033320122131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13122102333013 - 25 = 13122102332981 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 (13122102333313) 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, 9606223573 + ... + 9606224938.

It is an arithmetic number, because the mean of its divisors is an integer number (3285328695552).

Almost surely, 213122102333013 is an apocalyptic number.

It is an amenable number.

13122102333013 is a deficient number, since it is larger than the sum of its proper divisors (19212449195).

13122102333013 is an equidigital number, since it uses as much as digits as its factorization.

13122102333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19212449194.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13122102333013 its reverse (31033320122131), we get a palindrome (44155422455144).

The spelling of 13122102333013 in words is "thirteen trillion, one hundred twenty-two billion, one hundred two million, three hundred thirty-three thousand, thirteen".

Divisors: 1 683 19212448511 13122102333013