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40031034315245 = 539720166767917
BaseRepresentation
bin10010001101000011100111…
…00101001001000111101101
312020201221002121110120110122
421012201303211021013231
520221332024241041440
6221050000413214325
711301101230263641
oct1106416345110755
9166657077416418
1040031034315245
111183408029a496
1245a63484913a5
131944bab022bcc
149c5726044c21
154964745547b5
hex2468739491ed

40031034315245 has 8 divisors (see below), whose sum is σ = 48158241788184. Its totient is φ = 31944160378944.

The previous prime is 40031034315227. The next prime is 40031034315247. The reversal of 40031034315245 is 54251343013004.

It can be written as a sum of positive squares in 4 ways, for example, as 9763112661604 + 30267921653641 = 3124598^2 + 5501629^2 .

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 40031034315245 - 220 = 40031033266669 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 (40031034315247) 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, 10083381974 + ... + 10083385943.

It is an arithmetic number, because the mean of its divisors is an integer number (6019780223523).

Almost surely, 240031034315245 is an apocalyptic number.

It is an amenable number.

40031034315245 is a deficient number, since it is larger than the sum of its proper divisors (8127207472939).

40031034315245 is a wasteful number, since it uses less digits than its factorization.

40031034315245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166768319.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 40031034315245 its reverse (54251343013004), we get a palindrome (94282377328249).

The spelling of 40031034315245 in words is "forty trillion, thirty-one billion, thirty-four million, three hundred fifteen thousand, two hundred forty-five".

Divisors: 1 5 397 1985 20166767917 100833839585 8006206863049 40031034315245