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10020110121987 = 37477148101047
BaseRepresentation
bin1001000111001111110100…
…0110101011110000000011
31022110220122200222022001020
42101303331012223300003
52303132141142400422
633151101450440523
72052633445511460
oct221637506536003
938426580868036
1010020110121987
113213560a38349
121159b6a733143
13578b7a5abba4
14268d93cbc667
151259a56b295c
hex91cfd1abc03

10020110121987 has 8 divisors (see below), whose sum is σ = 15268739233536. Its totient is φ = 5725777212552.

The previous prime is 10020110121863. The next prime is 10020110122003. The reversal of 10020110121987 is 78912101102001.

10020110121987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10020110121987 - 215 = 10020110089219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020110921987) 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, 238574050503 + ... + 238574050544.

It is an arithmetic number, because the mean of its divisors is an integer number (1908592404192).

Almost surely, 210020110121987 is an apocalyptic number.

10020110121987 is a deficient number, since it is larger than the sum of its proper divisors (5248629111549).

10020110121987 is an equidigital number, since it uses as much as digits as its factorization.

10020110121987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477148101057.

The product of its (nonzero) digits is 2016, while the sum is 33.

Adding to 10020110121987 its reverse (78912101102001), we get a palindrome (88932211223988).

The spelling of 10020110121987 in words is "ten trillion, twenty billion, one hundred ten million, one hundred twenty-one thousand, nine hundred eighty-seven".

Divisors: 1 3 7 21 477148101047 1431444303141 3340036707329 10020110121987