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BaseRepresentation
bin111110000010111…
…1000101001001010
312101002111100221002
41330011320221022
513230432330024
6542330415002
7102410002235
oct17405705112
95332440832
102081917514
11979208496
124a1291462
13272429471
1415a70041c
15c2b946ae
hex7c178a4a

2081917514 has 32 divisors (see below), whose sum is σ = 3340656000. Its totient is φ = 970216704.

The previous prime is 2081917501. The next prime is 2081917531. The reversal of 2081917514 is 4157191802.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577747 + ... + 1579065.

It is an arithmetic number, because the mean of its divisors is an integer number (104395500).

Almost surely, 22081917514 is an apocalyptic number.

2081917514 is a deficient number, since it is larger than the sum of its proper divisors (1258738486).

2081917514 is a wasteful number, since it uses less digits than its factorization.

2081917514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 2081917514 is about 45628.0342991017. The cubic root of 2081917514 is about 1276.8930002349.

The spelling of 2081917514 in words is "two billion, eighty-one million, nine hundred seventeen thousand, five hundred fourteen".