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131255865355 = 543610492397
BaseRepresentation
bin111101000111101110…
…1011001000000001011
3110112210110001211000111
41322033131121000023
54122303000142410
6140144220415151
712324433306246
oct1721735310013
9415713054014
10131255865355
115073557238a
12215313a74b7
13c4ba129024
1464d21bc25d
153633236b8a
hex1e8f75900b

131255865355 has 8 divisors (see below), whose sum is σ = 161169993072. Its totient is φ = 102562722528.

The previous prime is 131255865343. The next prime is 131255865373. The reversal of 131255865355 is 553568552131.

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 131255865355 - 211 = 131255863307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131255865299 and 131255865308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305245984 + ... + 305246413.

It is an arithmetic number, because the mean of its divisors is an integer number (20146249134).

Almost surely, 2131255865355 is an apocalyptic number.

131255865355 is a deficient number, since it is larger than the sum of its proper divisors (29914127717).

131255865355 is an equidigital number, since it uses as much as digits as its factorization.

131255865355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610492445.

The product of its digits is 2700000, while the sum is 49.

The spelling of 131255865355 in words is "one hundred thirty-one billion, two hundred fifty-five million, eight hundred sixty-five thousand, three hundred fifty-five".

Divisors: 1 5 43 215 610492397 3052461985 26251173071 131255865355