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13122330311123 = 111192939119193
BaseRepresentation
bin1011111011110100011111…
…0101100011100111010011
31201110111000202120012200022
42332331013311203213103
53204444013024423443
643524152035414055
72523025402160645
oct276750765434723
951414022505608
1013122330311123
1141aa1703a9080
12157b241a5432b
1374257989b3b7
143351a4a4a895
1517b51dee9e68
hexbef47d639d3

13122330311123 has 4 divisors (see below), whose sum is σ = 14315269430328. Its totient is φ = 11929391191920.

The previous prime is 13122330311107. The next prime is 13122330311131. The reversal of 13122330311123 is 32111303322131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13122330311123 - 24 = 13122330311107 is a prime.

It is a super-2 number, since 2×131223303111232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13122330311092 and 13122330311101.

It is not an unprimeable number, because it can be changed into a prime (13122335311123) 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, 596469559586 + ... + 596469559607.

It is an arithmetic number, because the mean of its divisors is an integer number (3578817357582).

Almost surely, 213122330311123 is an apocalyptic number.

13122330311123 is a deficient number, since it is larger than the sum of its proper divisors (1192939119205).

13122330311123 is a wasteful number, since it uses less digits than its factorization.

13122330311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192939119204.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13122330311123 its reverse (32111303322131), we get a palindrome (45233633633254).

The spelling of 13122330311123 in words is "thirteen trillion, one hundred twenty-two billion, three hundred thirty million, three hundred eleven thousand, one hundred twenty-three".

Divisors: 1 11 1192939119193 13122330311123