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125142053 = 308340591
BaseRepresentation
bin1110111010110…
…00010000100101
322201110212121212
413131120100211
5224014021203
620230121205
73046455431
oct735302045
9281425555
10125142053
1164704093
1235ab0205
131cc0756a
14128979c1
15aebe1d8
hex7758425

125142053 has 4 divisors (see below), whose sum is σ = 125185728. Its totient is φ = 125098380.

The previous prime is 125142041. The next prime is 125142067. The reversal of 125142053 is 350241521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350241521 = 750034503.

It is a cyclic number.

It is not a de Polignac number, because 125142053 - 220 = 124093477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125142653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17213 + ... + 23378.

It is an arithmetic number, because the mean of its divisors is an integer number (31296432).

Almost surely, 2125142053 is an apocalyptic number.

It is an amenable number.

125142053 is a deficient number, since it is larger than the sum of its proper divisors (43675).

125142053 is an equidigital number, since it uses as much as digits as its factorization.

125142053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43674.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125142053 is about 11186.6908869424. The cubic root of 125142053 is about 500.1893322975.

Adding to 125142053 its reverse (350241521), we get a palindrome (475383574).

The spelling of 125142053 in words is "one hundred twenty-five million, one hundred forty-two thousand, fifty-three".

Divisors: 1 3083 40591 125142053