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14122031421 = 37166300617
BaseRepresentation
bin11010010011011110…
…10001100100111101
31100110012002112012210
431021233101210331
5212410220001141
610253152051033
71006646200161
oct151157214475
940405075183
1014122031421
115a97578253
1228a1533a79
131440997614
1497d7a0ca1
15579bda916
hex349bd193d

14122031421 has 8 divisors (see below), whose sum is σ = 19094577984. Its totient is φ = 9282086240.

The previous prime is 14122031411. The next prime is 14122031423. The reversal of 14122031421 is 12413022141.

Adding to 14122031421 its reverse (12413022141), we get a palindrome (26535053562).

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 14122031421 - 210 = 14122030397 is a prime.

It is a super-2 number, since 2×141220314212 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14122031423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33150096 + ... + 33150521.

It is an arithmetic number, because the mean of its divisors is an integer number (2386822248).

Almost surely, 214122031421 is an apocalyptic number.

It is an amenable number.

14122031421 is a deficient number, since it is larger than the sum of its proper divisors (4972546563).

14122031421 is an equidigital number, since it uses as much as digits as its factorization.

14122031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66300691.

The product of its (nonzero) digits is 384, while the sum is 21.

The spelling of 14122031421 in words is "fourteen billion, one hundred twenty-two million, thirty-one thousand, four hundred twenty-one".

Divisors: 1 3 71 213 66300617 198901851 4707343807 14122031421