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12655503532 = 22723371393821
BaseRepresentation
bin10111100100101001…
…11010100010101100
31012122222120012011001
423302110322202230
5201404302103112
65451443210044
7625421001520
oct136224724254
935588505131
1012655503532
11540477a131
122552376924
131268bc4839
14880ad1d80
154e10a3c57
hex2f253a8ac

12655503532 has 96 divisors (see below), whose sum is σ = 27327605760. Its totient is φ = 5010128640.

The previous prime is 12655503521. The next prime is 12655503577. The reversal of 12655503532 is 23530555621.

12655503532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 12655503491 and 12655503500.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3310182 + ... + 3314002.

It is an arithmetic number, because the mean of its divisors is an integer number (284662560).

Almost surely, 212655503532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12655503532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13663802880).

12655503532 is an abundant number, since it is smaller than the sum of its proper divisors (14672102228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12655503532 is a wasteful number, since it uses less digits than its factorization.

12655503532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 12655503532 in words is "twelve billion, six hundred fifty-five million, five hundred three thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 37 46 74 92 139 148 161 259 278 322 518 556 644 851 973 1036 1702 1946 3197 3404 3821 3892 5143 5957 6394 7642 10286 11914 12788 15284 20572 22379 23828 26747 36001 44758 53494 72002 87883 89516 106988 118289 141377 144004 175766 236578 282754 351532 473156 531119 565508 615181 828023 989639 1062238 1230362 1656046 1979278 2124476 2460724 3251671 3312092 3717833 3958556 6503342 7435666 12215737 13006684 14871332 19651403 22761697 24431474 39302806 45523394 48862948 78605612 85510159 91046788 137559821 171020318 275119642 342040636 451982269 550239284 903964538 1807929076 3163875883 6327751766 12655503532