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13012221101313 = 37619629576253
BaseRepresentation
bin1011110101011010010011…
…0100010000010100000001
31201001221211001122210121110
42331112210310100110001
53201143012100220223
643401422025113533
72512046653266360
oct275264464202401
951057731583543
1013012221101313
1141674a7647025
121561a326288a9
1373507c884a05
1432db1b1597d7
1517872752dd93
hexbd5a4d10501

13012221101313 has 8 divisors (see below), whose sum is σ = 19828146440128. Its totient is φ = 7435554915024.

The previous prime is 13012221101267. The next prime is 13012221101323. The reversal of 13012221101313 is 31310112221031.

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

It is not a de Polignac number, because 13012221101313 - 28 = 13012221101057 is a prime.

It is a super-2 number, since 2×130122211013132 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 619629576253 = 13012221101313 / (1 + 3 + 0 + 1 + 2 + 2 + 2 + 1 + 1 + 0 + 1 + 3 + 1 + 3).

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 13012221101313.

It is not an unprimeable number, because it can be changed into a prime (13012221101323) 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, 309814788106 + ... + 309814788147.

It is an arithmetic number, because the mean of its divisors is an integer number (2478518305016).

Almost surely, 213012221101313 is an apocalyptic number.

It is an amenable number.

13012221101313 is a deficient number, since it is larger than the sum of its proper divisors (6815925338815).

13012221101313 is an equidigital number, since it uses as much as digits as its factorization.

13012221101313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619629576263.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13012221101313 its reverse (31310112221031), we get a palindrome (44322333322344).

The spelling of 13012221101313 in words is "thirteen trillion, twelve billion, two hundred twenty-one million, one hundred one thousand, three hundred thirteen".

Divisors: 1 3 7 21 619629576253 1858888728759 4337407033771 13012221101313