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2143680814081 = 64114712273471
BaseRepresentation
bin11111001100011101010…
…101010101110000000001
321120221012210122110101201
4133030131111111300001
5240110224242022311
64320443211301201
7310606260162532
oct37143525256001
97527183573351
102143680814081
11757147a30034
122a756244a801
131271c0890261
1475a7cca6689
153ab66e259c1
hex1f31d555c01

2143680814081 has 8 divisors (see below), whose sum is σ = 2148485603328. Its totient is φ = 2138880576000.

The previous prime is 2143680814069. The next prime is 2143680814087. The reversal of 2143680814081 is 1804180863412.

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 2143680814081 - 211 = 2143680812033 is a prime.

It is a super-2 number, since 2×21436808140812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143680814087) 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, 193825 + ... + 2079646.

It is an arithmetic number, because the mean of its divisors is an integer number (268560700416).

Almost surely, 22143680814081 is an apocalyptic number.

It is an amenable number.

2143680814081 is a deficient number, since it is larger than the sum of its proper divisors (4804789247).

2143680814081 is a wasteful number, since it uses less digits than its factorization.

2143680814081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275583.

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 2143680814081 in words is "two trillion, one hundred forty-three billion, six hundred eighty million, eight hundred fourteen thousand, eighty-one".

Divisors: 1 641 1471 942911 2273471 1457294911 3344275841 2143680814081