Base | Representation |
---|---|
bin | 11111001100011101010… |
… | …101010101110000000001 |
3 | 21120221012210122110101201 |
4 | 133030131111111300001 |
5 | 240110224242022311 |
6 | 4320443211301201 |
7 | 310606260162532 |
oct | 37143525256001 |
9 | 7527183573351 |
10 | 2143680814081 |
11 | 757147a30034 |
12 | 2a756244a801 |
13 | 1271c0890261 |
14 | 75a7cca6689 |
15 | 3ab66e259c1 |
hex | 1f31d555c01 |
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".
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