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40131754821863 = 292938311568289
BaseRepresentation
bin10010001111111111001101…
…11111011000100011100111
312021002120001222212102222122
421013333212333120203213
520230004313213244423
6221204135035220155
711311265203412555
oct1107774677304347
9167076058772878
1040131754821863
1111872866400901
1246019775a765b
13195153cba1913
149ca55ca5abd5
15498dbbb628c8
hex247fe6fd88e7

40131754821863 has 16 divisors (see below), whose sum is σ = 41662385553600. Its totient is φ = 38610941537280.

The previous prime is 40131754821827. The next prime is 40131754821883. The reversal of 40131754821863 is 36812845713104.

It is a cyclic number.

It is not a de Polignac number, because 40131754821863 - 28 = 40131754821607 is a prime.

It is a super-2 number, since 2×401317548218632 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131754821883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70334423 + ... + 70902711.

It is an arithmetic number, because the mean of its divisors is an integer number (2603899097100).

Almost surely, 240131754821863 is an apocalyptic number.

40131754821863 is a deficient number, since it is larger than the sum of its proper divisors (1530630731737).

40131754821863 is a wasteful number, since it uses less digits than its factorization.

40131754821863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576922.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 40131754821863 in words is "forty trillion, one hundred thirty-one billion, seven hundred fifty-four million, eight hundred twenty-one thousand, eight hundred sixty-three".

Divisors: 1 29 293 8311 8497 241019 568289 2435123 16480381 70618567 166508677 4723049879 4828751633 136968446491 1383853614547 40131754821863