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2101340143 = 71237242677
BaseRepresentation
bin111110100111111…
…1110011111101111
312102110001010202201
41331033332133233
513300420341033
6544303002331
7103034045050
oct17517763757
95373033681
102101340143
11989173a51
124a78993a7
13276469b46
1415d118727
15c472e47d
hex7d3fe7ef

2101340143 has 8 divisors (see below), whose sum is σ = 2403482912. Its totient is φ = 1799685216.

The previous prime is 2101340141. The next prime is 2101340147. The reversal of 2101340143 is 3410431012.

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

It is not a de Polignac number, because 2101340143 - 21 = 2101340141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101340143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101340141) 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, 112680 + ... + 129997.

It is an arithmetic number, because the mean of its divisors is an integer number (300435364).

Almost surely, 22101340143 is an apocalyptic number.

2101340143 is a deficient number, since it is larger than the sum of its proper divisors (302142769).

2101340143 is a wasteful number, since it uses less digits than its factorization.

2101340143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243921.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2101340143 is about 45840.3767763748. The cubic root of 2101340143 is about 1280.8515132843.

Adding to 2101340143 its reverse (3410431012), we get a palindrome (5511771155).

The spelling of 2101340143 in words is "two billion, one hundred one million, three hundred forty thousand, one hundred forty-three".

Divisors: 1 7 1237 8659 242677 1698739 300191449 2101340143