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12503325554120 = 235312583138853
BaseRepresentation
bin1011010111110010100001…
…0001110011010111001000
31122021022021020220110200002
42311330220101303113020
53114323302320212440
642331540511302132
72430223030435052
oct265745021632710
948238236813602
1012503325554120
113a906a3350335
12149b28a51a948
136c909b7c915b
143132427508d2
1516a3909a3115
hexb5f284735c8

12503325554120 has 16 divisors (see below), whose sum is σ = 28132482496860. Its totient is φ = 5001330221632.

The previous prime is 12503325554107. The next prime is 12503325554147. The reversal of 12503325554120 is 2145552330521.

12503325554120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12363085789924 + 140239764196 = 3516118^2 + 374486^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156291569387 + ... + 156291569466.

Almost surely, 212503325554120 is an apocalyptic number.

12503325554120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12503325554120 is an abundant number, since it is smaller than the sum of its proper divisors (15629156942740).

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

12503325554120 is a wasteful number, since it uses less digits than its factorization.

12503325554120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312583138864 (or 312583138860 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 12503325554120 its reverse (2145552330521), we get a palindrome (14648877884641).

The spelling of 12503325554120 in words is "twelve trillion, five hundred three billion, three hundred twenty-five million, five hundred fifty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 312583138853 625166277706 1250332555412 1562915694265 2500665110824 3125831388530 6251662777060 12503325554120