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12315448082 = 2719264717491
BaseRepresentation
bin10110111100000111…
…01101001100010010
31011210021200120202202
423132003231030102
5200210223314312
65354014443202
7614121403310
oct133603551422
934707616682
1012315448082
11524a827473
122478503502
131213610bb2
1484b8930b0
154c12d19c2
hex2de0ed312

12315448082 has 32 divisors (see below), whose sum is σ = 22233031680. Its totient is φ = 4998082320.

The previous prime is 12315448081. The next prime is 12315448087. The reversal of 12315448082 is 28084451321.

12315448082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123154480822 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (12315448081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695357 + ... + 712847.

It is an arithmetic number, because the mean of its divisors is an integer number (694782240).

Almost surely, 212315448082 is an apocalyptic number.

12315448082 is a deficient number, since it is larger than the sum of its proper divisors (9917583598).

12315448082 is a wasteful number, since it uses less digits than its factorization.

12315448082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 12315448082 in words is "twelve billion, three hundred fifteen million, four hundred forty-eight thousand, eighty-two".

Divisors: 1 2 7 14 19 38 133 266 2647 5294 17491 18529 34982 37058 50293 100586 122437 244874 332329 352051 664658 704102 2326303 4652606 46298677 92597354 324090739 648181478 879674863 1759349726 6157724041 12315448082