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12550803230 = 2571621110609
BaseRepresentation
bin10111011000001011…
…00000111100011110
31012101200112212100002
423230011200330132
5201201001200410
65433223134302
7623010032030
oct135405407436
935350485302
1012550803230
115360668259
1225232a4392
1312502c67b4
14870c39c50
154d6cc17a5
hex2ec160f1e

12550803230 has 32 divisors (see below), whose sum is σ = 25834956480. Its totient is φ = 4300439040.

The previous prime is 12550803179. The next prime is 12550803241. The reversal of 12550803230 is 3230805521.

12550803230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12550803193 and 12550803202.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 58166 + ... + 168774.

It is an arithmetic number, because the mean of its divisors is an integer number (807342390).

Almost surely, 212550803230 is an apocalyptic number.

12550803230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12550803230 is an abundant number, since it is smaller than the sum of its proper divisors (13284153250).

12550803230 is a wasteful number, since it uses less digits than its factorization.

12550803230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112244.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12550803230 in words is "twelve billion, five hundred fifty million, eight hundred three thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1621 3242 8105 11347 16210 22694 56735 110609 113470 221218 553045 774263 1106090 1548526 3871315 7742630 179297189 358594378 896485945 1255080323 1792971890 2510160646 6275401615 12550803230