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40871598853 = 212919197557
BaseRepresentation
bin100110000100001000…
…110001101100000101
310220111102010100100111
4212010020301230011
51132201112130403
630435352113021
72644556600221
oct460410615405
9126442110314
1040871598853
1116373a52178
127b07995771
133b14813927
141d9a253781
1510e32a356d
hex984231b05

40871598853 has 4 divisors (see below), whose sum is σ = 40890798540. Its totient is φ = 40852399168.

The previous prime is 40871598829. The next prime is 40871598893. The reversal of 40871598853 is 35889517804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16347412449 + 24524186404 = 127857^2 + 156602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40871598853 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40871598893) 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, 9596650 + ... + 9600907.

It is an arithmetic number, because the mean of its divisors is an integer number (10222699635).

Almost surely, 240871598853 is an apocalyptic number.

It is an amenable number.

40871598853 is a deficient number, since it is larger than the sum of its proper divisors (19199687).

40871598853 is a wasteful number, since it uses less digits than its factorization.

40871598853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19199686.

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 40871598853 in words is "forty billion, eight hundred seventy-one million, five hundred ninety-eight thousand, eight hundred fifty-three".

Divisors: 1 2129 19197557 40871598853