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12242013455 = 572968317659
BaseRepresentation
bin10110110011010111…
…00100110100001111
31011121011111201101202
423121223210310033
5200032423412310
65342432500115
7612240253220
oct133153446417
934534451352
1012242013455
11521232a9a1
1224579aa63b
13120133bc59
14841c19247
154b9b283a5
hex2d9ae4d0f

12242013455 has 32 divisors (see below), whose sum is σ = 17394393600. Its totient is φ = 8092732032.

The previous prime is 12242013439. The next prime is 12242013467. The reversal of 12242013455 is 55431024221.

It is not a de Polignac number, because 12242013455 - 24 = 12242013439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684416 + ... + 702074.

It is an arithmetic number, because the mean of its divisors is an integer number (543574800).

Almost surely, 212242013455 is an apocalyptic number.

12242013455 is a deficient number, since it is larger than the sum of its proper divisors (5152380145).

12242013455 is a wasteful number, since it uses less digits than its factorization.

12242013455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18383.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12242013455 its reverse (55431024221), we get a palindrome (67673037676).

The spelling of 12242013455 in words is "twelve billion, two hundred forty-two million, thirteen thousand, four hundred fifty-five".

Divisors: 1 5 7 29 35 145 203 683 1015 3415 4781 17659 19807 23905 88295 99035 123613 138649 512111 618065 693245 2560555 3584777 12061097 17923885 60305485 84427679 349771813 422138395 1748859065 2448402691 12242013455