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4121312401 = 19216911179
BaseRepresentation
bin1111010110100110…
…0011110010010001
3101122012222100210001
43311221203302101
531420023444101
61520542010001
7204062402023
oct36551436221
911565870701
104121312401
111825412008
12970276901
13508ab7abb
142b14d2013
15191c39901
hexf5a63c91

4121312401 has 4 divisors (see below), whose sum is σ = 4338223600. Its totient is φ = 3904401204.

The previous prime is 4121312399. The next prime is 4121312479. The reversal of 4121312401 is 1042131214.

4121312401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1042131214 = 2521065607.

It is a cyclic number.

It is not a de Polignac number, because 4121312401 - 21 = 4121312399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 216911179 = 4121312401 / (4 + 1 + 2 + 1 + 3 + 1 + 2 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4121312491) 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 3 ways as a sum of consecutive naturals, for example, 108455571 + ... + 108455608.

It is an arithmetic number, because the mean of its divisors is an integer number (1084555900).

Almost surely, 24121312401 is an apocalyptic number.

It is an amenable number.

4121312401 is a deficient number, since it is larger than the sum of its proper divisors (216911199).

4121312401 is a wasteful number, since it uses less digits than its factorization.

4121312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216911198.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4121312401 is about 64197.4485552191. The cubic root of 4121312401 is about 1603.2891194719.

Adding to 4121312401 its reverse (1042131214), we get a palindrome (5163443615).

The spelling of 4121312401 in words is "four billion, one hundred twenty-one million, three hundred twelve thousand, four hundred one".

Divisors: 1 19 216911179 4121312401