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1244344330421 = 31119333646387
BaseRepresentation
bin10010000110111000101…
…100111010100010110101
311101221212111101111110122
4102012320230322202311
5130341404122033141
62351351025301325
7155621004202133
oct22067054724265
94357774344418
101244344330421
1143a7a5a30955
121811b4494845
139045870b38a
1444325a7c753
152257ccb164b
hex121b8b3a8b5

1244344330421 has 8 divisors (see below), whose sum is σ = 1285561192704. Its totient is φ = 1203194763360.

The previous prime is 1244344330393. The next prime is 1244344330433. The reversal of 1244344330421 is 1240334434421.

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 1244344330421 - 26 = 1244344330357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244344330721) 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, 16786211 + ... + 16860176.

It is an arithmetic number, because the mean of its divisors is an integer number (160695149088).

Almost surely, 21244344330421 is an apocalyptic number.

It is an amenable number.

1244344330421 is a deficient number, since it is larger than the sum of its proper divisors (41216862283).

1244344330421 is a wasteful number, since it uses less digits than its factorization.

1244344330421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33647611.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 1244344330421 its reverse (1240334434421), we get a palindrome (2484678764842).

The spelling of 1244344330421 in words is "one trillion, two hundred forty-four billion, three hundred forty-four million, three hundred thirty thousand, four hundred twenty-one".

Divisors: 1 31 1193 36983 33646387 1043037997 40140139691 1244344330421