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12238393570 = 2513210767679
BaseRepresentation
bin10110110010111011…
…10001000011100010
31011120220200210211221
423121131301003202
5200031012043240
65342223125254
7612164425504
oct133135610342
934526623757
1012238393570
115210288257
12245674382a
131200672400
14841555d74
154b9660a4a
hex2d97710e2

12238393570 has 48 divisors (see below), whose sum is σ = 24077295360. Its totient is φ = 4476493632.

The previous prime is 12238393567. The next prime is 12238393579. The reversal of 12238393570 is 7539383221.

12238393570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12238393579) 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 23 ways as a sum of consecutive naturals, for example, 146991 + ... + 214669.

It is an arithmetic number, because the mean of its divisors is an integer number (501610320).

Almost surely, 212238393570 is an apocalyptic number.

12238393570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12238393570 is a deficient number, since it is larger than the sum of its proper divisors (11838901790).

12238393570 is a wasteful number, since it uses less digits than its factorization.

12238393570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67819 (or 67806 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 12238393570 in words is "twelve billion, two hundred thirty-eight million, three hundred ninety-three thousand, five hundred seventy".

Divisors: 1 2 5 10 13 26 65 107 130 169 214 338 535 845 1070 1391 1690 2782 6955 13910 18083 36166 67679 90415 135358 180830 338395 676790 879827 1759654 4399135 7241653 8798270 11437751 14483306 22875502 36208265 57188755 72416530 94141489 114377510 188282978 470707445 941414890 1223839357 2447678714 6119196785 12238393570