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144331242251 = 775727237449
BaseRepresentation
bin1000011001101011001…
…1111111101100001011
3111210112200200210010212
42012122303333230023
54331042244223001
6150145503231335
713266443213510
oct2063263775413
9453480623125
10144331242251
1156235250599
1223b802a854b
13107c1ccca31
146db2969307
153b4b0c77bb
hex219acffb0b

144331242251 has 8 divisors (see below), whose sum is σ = 165167896800. Its totient is φ = 123549064128.

The previous prime is 144331242221. The next prime is 144331242277. The reversal of 144331242251 is 152242133441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144331242251 - 234 = 127151373067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144331242221) 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, 13613426 + ... + 13624023.

It is an arithmetic number, because the mean of its divisors is an integer number (20645987100).

Almost surely, 2144331242251 is an apocalyptic number.

144331242251 is a deficient number, since it is larger than the sum of its proper divisors (20836654549).

144331242251 is an equidigital number, since it uses as much as digits as its factorization.

144331242251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27238213.

The product of its digits is 23040, while the sum is 32.

Adding to 144331242251 its reverse (152242133441), we get a palindrome (296573375692).

The spelling of 144331242251 in words is "one hundred forty-four billion, three hundred thirty-one million, two hundred forty-two thousand, two hundred fifty-one".

Divisors: 1 7 757 5299 27237449 190662143 20618748893 144331242251