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1443220330241 = 2961148739331
BaseRepresentation
bin10101000000000110101…
…000101001011100000001
312002222012111200001120202
4111000012220221130001
5142121203401031431
63023001204214545
7206161226253524
oct25000650513401
95088174601522
101443220330241
11507080285088
121b385769a455
13a6130bc5791
144dbd0774bbb
152781c70d8cb
hex15006a29701

1443220330241 has 4 divisors (see below), whose sum is σ = 1443269099184. Its totient is φ = 1443171561300.

The previous prime is 1443220330229. The next prime is 1443220330271. The reversal of 1443220330241 is 1420330223441.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1443220330241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443220330271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24340055 + ... + 24399276.

It is an arithmetic number, because the mean of its divisors is an integer number (360817274796).

Almost surely, 21443220330241 is an apocalyptic number.

It is an amenable number.

1443220330241 is a deficient number, since it is larger than the sum of its proper divisors (48768943).

1443220330241 is an equidigital number, since it uses as much as digits as its factorization.

1443220330241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48768942.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1443220330241 its reverse (1420330223441), we get a palindrome (2863550553682).

The spelling of 1443220330241 in words is "one trillion, four hundred forty-three billion, two hundred twenty million, three hundred thirty thousand, two hundred forty-one".

Divisors: 1 29611 48739331 1443220330241