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12230235455 = 5171093733539
BaseRepresentation
bin10110110001111101…
…01001010100111111
31011120100100100000112
423120332221110333
5200021420013310
65341332220235
7612035200064
oct133076512477
934510310015
1012230235455
115206715a09
122453a6a67b
1311cba77019
14840430c6b
154b8a9d705
hex2d8fa953f

12230235455 has 32 divisors (see below), whose sum is σ = 15728644800. Its totient is φ = 9097132032.

The previous prime is 12230235449. The next prime is 12230235463. The reversal of 12230235455 is 55453203221.

It is a cyclic number.

It is not a de Polignac number, because 12230235455 - 230 = 11156493631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3454076 + ... + 3457614.

It is an arithmetic number, because the mean of its divisors is an integer number (491520150).

Almost surely, 212230235455 is an apocalyptic number.

12230235455 is a deficient number, since it is larger than the sum of its proper divisors (3498409345).

12230235455 is a wasteful number, since it uses less digits than its factorization.

12230235455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 12230235455 its reverse (55453203221), we get a palindrome (67683438676).

The spelling of 12230235455 in words is "twelve billion, two hundred thirty million, two hundred thirty-five thousand, four hundred fifty-five".

Divisors: 1 5 17 85 109 373 545 1853 1865 3539 6341 9265 17695 31705 40657 60163 203285 300815 385751 691169 1320047 1928755 3455845 6557767 6600235 22440799 32788835 112203995 143885123 719425615 2446047091 12230235455