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144001271747 = 193746120579
BaseRepresentation
bin1000011000011100100…
…1010000011111000011
3111202200200210112201002
42012013021100133003
54324403311143442
6150053035002215
713255325420414
oct2060711203703
9452620715632
10144001271747
1156085a668a3
1223aa989936b
131076b83a508
146d80bd380b
153b2c148732
hex21872507c3

144001271747 has 4 divisors (see below), whose sum is σ = 144747392520. Its totient is φ = 143255150976.

The previous prime is 144001271693. The next prime is 144001271759. The reversal of 144001271747 is 747172100441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144001271747 - 216 = 144001206211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144001271747.

It is not an unprimeable number, because it can be changed into a prime (144001270747) 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, 373060097 + ... + 373060482.

It is an arithmetic number, because the mean of its divisors is an integer number (36186848130).

Almost surely, 2144001271747 is an apocalyptic number.

144001271747 is a deficient number, since it is larger than the sum of its proper divisors (746120773).

144001271747 is an equidigital number, since it uses as much as digits as its factorization.

144001271747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746120772.

The product of its (nonzero) digits is 43904, while the sum is 38.

The spelling of 144001271747 in words is "one hundred forty-four billion, one million, two hundred seventy-one thousand, seven hundred forty-seven".

Divisors: 1 193 746120579 144001271747