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125012000 = 255331253
BaseRepresentation
bin1110111001110…
…00100000100000
322201020021020002
413130320200200
5224000341000
620223235132
73045404321
oct734704040
9281207202
10125012000
1164625403
1235a48aa8
131cb902c9
1412862448
15ae958d5
hex7738820

125012000 has 48 divisors (see below), whose sum is σ = 307164312. Its totient is φ = 50003200.

The previous prime is 125011961. The next prime is 125012021. The reversal of 125012000 is 210521.

It can be written as a sum of positive squares in 4 ways, for example, as 43507216 + 81504784 = 6596^2 + 9028^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11627 + ... + 19626.

Almost surely, 2125012000 is an apocalyptic number.

125012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125012000 is an abundant number, since it is smaller than the sum of its proper divisors (182152312).

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

125012000 is an equidigital number, since it uses as much as digits as its factorization.

125012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31278 (or 31260 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 125012000 is about 11180.8765309344. The cubic root of 125012000 is about 500.0159994880.

Adding to 125012000 its reverse (210521), we get a palindrome (125222521).

The spelling of 125012000 in words is "one hundred twenty-five million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 31253 62506 125012 156265 250024 312530 500048 625060 781325 1000096 1250120 1562650 2500240 3125300 3906625 5000480 6250600 7813250 12501200 15626500 25002400 31253000 62506000 125012000