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6443055542131 = 132993889182027
BaseRepresentation
bin101110111000010010000…
…0010010110111101110011
3211210221122121201002012121
41131300210002112331303
51321030334204322011
621411522052535111
71233331631325115
oct135604402267563
924727577632177
106443055542131
11206453697991a
1288085a321497
13379767ab0a90
14183bba2a33b5
15b28ea72de71
hex5dc24096f73

6443055542131 has 16 divisors (see below), whose sum is σ = 7178055746400. Its totient is φ = 5742259181568.

The previous prime is 6443055542081. The next prime is 6443055542141. The reversal of 6443055542131 is 1312455503446.

It is not a de Polignac number, because 6443055542131 - 213 = 6443055533939 is a prime.

It is a super-2 number, since 2×64430555421312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6443055542141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35305140 + ... + 35487166.

It is an arithmetic number, because the mean of its divisors is an integer number (448628484150).

Almost surely, 26443055542131 is an apocalyptic number.

6443055542131 is a deficient number, since it is larger than the sum of its proper divisors (735000204269).

6443055542131 is a wasteful number, since it uses less digits than its factorization.

6443055542131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275958.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 6443055542131 in words is "six trillion, four hundred forty-three billion, fifty-five million, five hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 13 29 377 93889 182027 1220557 2366351 2722781 5278783 35396153 68624179 17090333003 222174329039 495619657087 6443055542131