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3112140021 = 36591574173
BaseRepresentation
bin1011100101111111…
…0111110011110101
322000220001002112020
42321133313303311
522333201440041
61232451543353
7140056516344
oct27137676365
98026032466
103112140021
1113577a3951
1272a2bab59
133a79b8993
14217477b5b
15133345866
hexb97f7cf5

3112140021 has 8 divisors (see below), whose sum is σ = 4155819360. Its totient is φ = 2071610352.

The previous prime is 3112140013. The next prime is 3112140043. The reversal of 3112140021 is 1200412113.

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

It is not a de Polignac number, because 3112140021 - 23 = 3112140013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112140001) 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, 785110 + ... + 789063.

It is an arithmetic number, because the mean of its divisors is an integer number (519477420).

Almost surely, 23112140021 is an apocalyptic number.

It is an amenable number.

3112140021 is a deficient number, since it is larger than the sum of its proper divisors (1043679339).

3112140021 is a wasteful number, since it uses less digits than its factorization.

3112140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574835.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3112140021 is about 55786.5577088244. The cubic root of 3112140021 is about 1460.0006287919. Note that the first 3 decimals are identical.

Adding to 3112140021 its reverse (1200412113), we get a palindrome (4312552134).

The spelling of 3112140021 in words is "three billion, one hundred twelve million, one hundred forty thousand, twenty-one".

Divisors: 1 3 659 1977 1574173 4722519 1037380007 3112140021