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125037013 = 794013947
BaseRepresentation
bin1110111001111…
…10100111010101
322201021112112111
413130332213111
5224002141023
620223551021
73045540253
oct734764725
9281245474
10125037013
1164642182
1235a5b471
131cb9b7ca
141286b5d3
15ae9d00d
hex773e9d5

125037013 has 8 divisors (see below), whose sum is σ = 126967680. Its totient is φ = 123115200.

The previous prime is 125037001. The next prime is 125037019. The reversal of 125037013 is 310730521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125037013 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 (125037019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29706 + ... + 33652.

It is an arithmetic number, because the mean of its divisors is an integer number (15870960).

Almost surely, 2125037013 is an apocalyptic number.

It is an amenable number.

125037013 is a deficient number, since it is larger than the sum of its proper divisors (1930667).

125037013 is an equidigital number, since it uses as much as digits as its factorization.

125037013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 125037013 is about 11181.9950366650. The cubic root of 125037013 is about 500.0493457965.

Adding to 125037013 its reverse (310730521), we get a palindrome (435767534).

The spelling of 125037013 in words is "one hundred twenty-five million, thirty-seven thousand, thirteen".

Divisors: 1 79 401 3947 31679 311813 1582747 125037013