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240268553837731 = 997425356663891
BaseRepresentation
bin110110101000010111100001…
…110011010101110010100011
31011111201110010121222112120101
4312220113201303111302203
5222443024444240301411
62211001503322323231
7101415554514340426
oct6650274163256243
91144643117875511
10240268553837731
116a614359942561
1222b457a4659517
13a40b2c57cb023
1443490bab099bd
151cb9e0a8cd8c1
hexda85e1cd5ca3

240268553837731 has 8 divisors (see below), whose sum is σ = 240566100174864. Its totient is φ = 239971120838880.

The previous prime is 240268553837717. The next prime is 240268553837747. The reversal of 240268553837731 is 137738355862042.

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 240268553837731 - 213 = 240268553829539 is a prime.

It is a super-2 number, since 2×2402685538377312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240268553837771) 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, 24091705 + ... + 32572186.

It is an arithmetic number, because the mean of its divisors is an integer number (30070762521858).

Almost surely, 2240268553837731 is an apocalyptic number.

240268553837731 is a deficient number, since it is larger than the sum of its proper divisors (297546337133).

240268553837731 is an equidigital number, since it uses as much as digits as its factorization.

240268553837731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56669141.

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 240268553837731 in words is "two hundred forty trillion, two hundred sixty-eight billion, five hundred fifty-three million, eight hundred thirty-seven thousand, seven hundred thirty-one".

Divisors: 1 997 4253 4240241 56663891 56493899327 240991528423 240268553837731