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12510205454130 = 2352926737319841
BaseRepresentation
bin1011011000001100001001…
…0110100010011100110010
31122021222000201122121020120
42312003002112202130302
53114431400044013010
642335035315351110
72430555360555426
oct266030226423462
948258021577216
1012510205454130
113a9360392500a
1214a068a5b2496
136c9926c717c7
143136d6366b86
1516a644996e70
hexb60c25a2732

12510205454130 has 192 divisors, whose sum is σ = 31645838809728. Its totient is φ = 3164277473280.

The previous prime is 12510205454129. The next prime is 12510205454183. The reversal of 12510205454130 is 3145450201521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12510205454091 and 12510205454100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 630513010 + ... + 630532850.

It is an arithmetic number, because the mean of its divisors is an integer number (164822077134).

Almost surely, 212510205454130 is an apocalyptic number.

12510205454130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12510205454130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15822919404864).

12510205454130 is an abundant number, since it is smaller than the sum of its proper divisors (19135633355598).

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

12510205454130 is a wasteful number, since it uses less digits than its factorization.

12510205454130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20349 (or 20320 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 12510205454130 its reverse (3145450201521), we get a palindrome (15655655655651).

The spelling of 12510205454130 in words is "twelve trillion, five hundred ten billion, two hundred five million, four hundred fifty-four thousand, one hundred thirty".