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144221414407 = 741949171979
BaseRepresentation
bin1000011001010001000…
…1000010010000000111
3111210021001000221122221
42012110101002100013
54330331140230112
6150130541233211
713263640536640
oct2062421022007
9453231027587
10144221414407
1156189257284
1223b4b562807
13107a5327b45
146da213a6c7
153b41630e07
hex2194442407

144221414407 has 8 divisors (see below), whose sum is σ = 165217852800. Its totient is φ = 123323320824.

The previous prime is 144221414401. The next prime is 144221414413. The reversal of 144221414407 is 704414122441.

It is an interprime number because it is at equal distance from previous prime (144221414401) and next prime (144221414413).

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 144221414407 - 23 = 144221414399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221414401) 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, 24583057 + ... + 24588922.

It is an arithmetic number, because the mean of its divisors is an integer number (20652231600).

Almost surely, 2144221414407 is an apocalyptic number.

144221414407 is a deficient number, since it is larger than the sum of its proper divisors (20996438393).

144221414407 is an equidigital number, since it uses as much as digits as its factorization.

144221414407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49172405.

The product of its (nonzero) digits is 28672, while the sum is 34.

Adding to 144221414407 its reverse (704414122441), we get a palindrome (848635536848).

The spelling of 144221414407 in words is "one hundred forty-four billion, two hundred twenty-one million, four hundred fourteen thousand, four hundred seven".

Divisors: 1 7 419 2933 49171979 344203853 20603059201 144221414407