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144080368047221 = 1103054313061947
BaseRepresentation
bin100000110000101001010011…
…001010000001010001110101
3200220010221121120121001101212
4200300221103022001101311
5122341103043210002341
61230233335103131205
742230314556314604
oct4060512312012165
9626127546531355
10144080368047221
11419aa160660251
12141ab8a78a3b05
136251949975758
14278175420da3b
15119ccdae165eb
hex830a53281475

144080368047221 has 4 divisors (see below), whose sum is σ = 144080392139712. Its totient is φ = 144080343954732.

The previous prime is 144080368047199. The next prime is 144080368047269. The reversal of 144080368047221 is 122740863080441.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 144080368047221 - 26 = 144080368047157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144080368047221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144080368047271) 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, 4499570 + ... + 17561516.

It is an arithmetic number, because the mean of its divisors is an integer number (36020098034928).

Almost surely, 2144080368047221 is an apocalyptic number.

It is an amenable number.

144080368047221 is a deficient number, since it is larger than the sum of its proper divisors (24092491).

144080368047221 is a wasteful number, since it uses less digits than its factorization.

144080368047221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24092490.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 144080368047221 in words is "one hundred forty-four trillion, eighty billion, three hundred sixty-eight million, forty-seven thousand, two hundred twenty-one".

Divisors: 1 11030543 13061947 144080368047221