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125113442 = 21916571987
BaseRepresentation
bin1110111010100…
…01010001100010
322201102102101012
413131101101202
5224012112232
620225340522
73046306136
oct735212142
9281372335
10125113442
1164694643
1235a97742
131cbc752c
141288b3c6
15aeb59b2
hex7751462

125113442 has 16 divisors (see below), whose sum is σ = 197766240. Its totient is φ = 59198688.

The previous prime is 125113433. The next prime is 125113477. The reversal of 125113442 is 244311521.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 61973 + ... + 63959.

It is an arithmetic number, because the mean of its divisors is an integer number (12360390).

Almost surely, 2125113442 is an apocalyptic number.

125113442 is a deficient number, since it is larger than the sum of its proper divisors (72652798).

125113442 is a wasteful number, since it uses less digits than its factorization.

125113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its digits is 960, while the sum is 23.

The square root of 125113442 is about 11185.4120174449. The cubic root of 125113442 is about 500.1512102663.

Adding to 125113442 its reverse (244311521), we get a palindrome (369424963).

The spelling of 125113442 in words is "one hundred twenty-five million, one hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 19 38 1657 1987 3314 3974 31483 37753 62966 75506 3292459 6584918 62556721 125113442