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13012320230443 = 194871406281231
BaseRepresentation
bin1011110101011010101010…
…1110011001110000101011
31201001222001222012002012201
42331112222232121300223
53201143212434333233
643401435525521031
72512052266003522
oct275265256316053
951058058162181
1013012320230443
1141675485a3226
121561a5b873177
13735097281cc1
1432db2a3a14b9
151787310b077d
hexbd5aab99c2b

13012320230443 has 8 divisors (see below), whose sum is σ = 13725304824320. Its totient is φ = 12302148200040.

The previous prime is 13012320230389. The next prime is 13012320230471. The reversal of 13012320230443 is 34403202321031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13012320230443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012320230473) 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, 703131363 + ... + 703149868.

It is an arithmetic number, because the mean of its divisors is an integer number (1715663103040).

Almost surely, 213012320230443 is an apocalyptic number.

13012320230443 is a deficient number, since it is larger than the sum of its proper divisors (712984593877).

13012320230443 is a wasteful number, since it uses less digits than its factorization.

13012320230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406281737.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13012320230443 its reverse (34403202321031), we get a palindrome (47415522551474).

The spelling of 13012320230443 in words is "thirteen trillion, twelve billion, three hundred twenty million, two hundred thirty thousand, four hundred forty-three".

Divisors: 1 19 487 9253 1406281231 26719343389 684858959497 13012320230443