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12304223243 = 131960782067
BaseRepresentation
bin10110111010110001…
…11000110000001011
31011202111120022011222
423131120320300023
5200144340120433
65352534112255
7613624112654
oct133530706013
934674508158
1012304223243
115244460044
1224747ab68b
1312111b0990
1484a1b052b
154c0315b98
hex2dd638c0b

12304223243 has 16 divisors (see below), whose sum is σ = 13971256320. Its totient is φ = 10742111136.

The previous prime is 12304223233. The next prime is 12304223279. The reversal of 12304223243 is 34232240321.

12304223243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12304223243 - 24 = 12304223227 is a prime.

It is a super-2 number, since 2×123042232432 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12304223233) 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, 108896 + ... + 190962.

It is an arithmetic number, because the mean of its divisors is an integer number (873203520).

Almost surely, 212304223243 is an apocalyptic number.

12304223243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12304223243 is a deficient number, since it is larger than the sum of its proper divisors (1667033077).

12304223243 is a wasteful number, since it uses less digits than its factorization.

12304223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82706.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12304223243 its reverse (34232240321), we get a palindrome (46536463564).

The spelling of 12304223243 in words is "twelve billion, three hundred four million, two hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 13 19 247 607 7891 11533 82067 149929 1066871 1559273 20270549 49814669 647590697 946478711 12304223243