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2140033021 = 71159326371
BaseRepresentation
bin111111110001110…
…0100111111111101
312112010211221102021
41333203210333331
513340322024041
6552204200141
7104013660220
oct17743447775
95463757367
102140033021
119a8aa1535
124b8839051
13281496739
1416430b5b7
15c7d23cd1
hex7f8e4ffd

2140033021 has 8 divisors (see below), whose sum is σ = 2446055744. Its totient is φ = 1834086240.

The previous prime is 2140033001. The next prime is 2140033037. The reversal of 2140033021 is 1203300412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2140033021 - 27 = 2140032893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140032986 and 2140033004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140033001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67966 + ... + 94336.

It is an arithmetic number, because the mean of its divisors is an integer number (305756968).

Almost surely, 22140033021 is an apocalyptic number.

It is an amenable number.

2140033021 is a deficient number, since it is larger than the sum of its proper divisors (306022723).

2140033021 is a wasteful number, since it uses less digits than its factorization.

2140033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37971.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2140033021 is about 46260.4909290855. The cubic root of 2140033021 is about 1288.6653706701.

Adding to 2140033021 its reverse (1203300412), we get a palindrome (3343333433).

The spelling of 2140033021 in words is "two billion, one hundred forty million, thirty-three thousand, twenty-one".

Divisors: 1 7 11593 26371 81151 184597 305719003 2140033021