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125143023 = 3231813667
BaseRepresentation
bin1110111010110…
…00011111101111
322201110220221210
413131120133233
5224014034043
620230125503
73046461315
oct735303757
9281426853
10125143023
1164704895
1235ab0893
131cc07b35
14128980b5
15aebe633
hex77587ef

125143023 has 8 divisors (see below), whose sum is σ = 174112128. Its totient is φ = 79801304.

The previous prime is 125143013. The next prime is 125143037. The reversal of 125143023 is 320341521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125143023 - 26 = 125142959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125143003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 906765 + ... + 906902.

It is an arithmetic number, because the mean of its divisors is an integer number (21764016).

Almost surely, 2125143023 is an apocalyptic number.

125143023 is a deficient number, since it is larger than the sum of its proper divisors (48969105).

125143023 is a wasteful number, since it uses less digits than its factorization.

125143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813693.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 125143023 is about 11186.7342419493. The cubic root of 125143023 is about 500.1906246486.

Adding to 125143023 its reverse (320341521), we get a palindrome (445484544).

The spelling of 125143023 in words is "one hundred twenty-five million, one hundred forty-three thousand, twenty-three".

Divisors: 1 3 23 69 1813667 5441001 41714341 125143023