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2102110993 = 7337975979
BaseRepresentation
bin111110101001011…
…1010101100010001
312102111111022011201
41331102322230101
513301120022433
6544331311201
7103043435323
oct17522725421
95374438151
102102110993
11989650114
124a7bab501
13276679978
1415d279613
15c4832a7d
hex7d4bab11

2102110993 has 8 divisors (see below), whose sum is σ = 2136557600. Its totient is φ = 2067817248.

The previous prime is 2102110949. The next prime is 2102111009. The reversal of 2102110993 is 3990112012.

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 2102110993 - 221 = 2100013841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102110393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10323 + ... + 65656.

It is an arithmetic number, because the mean of its divisors is an integer number (267069700).

Almost surely, 22102110993 is an apocalyptic number.

It is an amenable number.

2102110993 is a deficient number, since it is larger than the sum of its proper divisors (34446607).

2102110993 is an equidigital number, since it uses as much as digits as its factorization.

2102110993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76431.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2102110993 is about 45848.7839860557. The cubic root of 2102110993 is about 1281.0081155183.

The spelling of 2102110993 in words is "two billion, one hundred two million, one hundred ten thousand, nine hundred ninety-three".

Divisors: 1 73 379 27667 75979 5546467 28796041 2102110993