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40237281159893 = 137353832019213
BaseRepresentation
bin10010010011000011110001…
…10110011010101011010101
312021110122110022021211211122
421021201320312122223111
520233221422434104033
6221324430215013325
711322022223450006
oct1111417066325325
9167418408254748
1040237281159893
111190359825a514
12461a30806a245
13195b4895b725c
149d16cda2d1ad
1549b9e6120a98
hex249878d9aad5

40237281159893 has 8 divisors (see below), whose sum is σ = 40645802642328. Its totient is φ = 39830423716864.

The previous prime is 40237281159883. The next prime is 40237281159923. The reversal of 40237281159893 is 39895118273204.

40237281159893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9480130156324 + 30757151003569 = 3078982^2 + 5545913^2 .

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-40237281159893 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 (40237281159863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415961246 + ... + 416057967.

It is an arithmetic number, because the mean of its divisors is an integer number (5080725330291).

Almost surely, 240237281159893 is an apocalyptic number.

It is an amenable number.

40237281159893 is a deficient number, since it is larger than the sum of its proper divisors (408521482435).

40237281159893 is a wasteful number, since it uses less digits than its factorization.

40237281159893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832019703.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 40237281159893 in words is "forty trillion, two hundred thirty-seven billion, two hundred eighty-one million, one hundred fifty-nine thousand, eight hundred ninety-three".

Divisors: 1 137 353 48361 832019213 113986632181 293702782189 40237281159893