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40031142425 = 523151653087
BaseRepresentation
bin100101010010000010…
…101100001000011001
310211022211122201212122
4211102002230020121
51123440433024200
630220130151025
72615003045021
oct452202541031
9124284581778
1040031142425
1115a8259988a
127912422475
133a0c667531
141d1a796a81
1510945d9385
hex9520ac219

40031142425 has 12 divisors (see below), whose sum is σ = 51239863296. Its totient is φ = 30991851600.

The previous prime is 40031142391. The next prime is 40031142461. The reversal of 40031142425 is 52424113004.

It is not a de Polignac number, because 40031142425 - 226 = 39964033561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40031142394 and 40031142403.

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 11 ways as a sum of consecutive naturals, for example, 25825769 + ... + 25827318.

It is an arithmetic number, because the mean of its divisors is an integer number (4269988608).

Almost surely, 240031142425 is an apocalyptic number.

It is an amenable number.

40031142425 is a deficient number, since it is larger than the sum of its proper divisors (11208720871).

40031142425 is a wasteful number, since it uses less digits than its factorization.

40031142425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51653128 (or 51653123 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40031142425 its reverse (52424113004), we get a palindrome (92455255429).

The spelling of 40031142425 in words is "forty billion, thirty-one million, one hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 31 155 775 51653087 258265435 1291327175 1601245697 8006228485 40031142425