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144242240323231 = 1843941543188303
BaseRepresentation
bin100000110011000000000011…
…011111101111111010011111
3200220201102102201211200020201
4200303000003133233322133
5122401231102010320411
61230435545335524331
742245105116051501
oct4063000337577237
9626642381750221
10144242240323231
1141a61877303056
12142171425296a7
136263ca5a89bab
14278950c651d71
1511a2111e373c1
hex8330037efe9f

144242240323231 has 8 divisors (see below), whose sum is σ = 144254301373440. Its totient is φ = 144230179769592.

The previous prime is 144242240323211. The next prime is 144242240323249. The reversal of 144242240323231 is 132323042242441.

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 144242240323231 - 223 = 144242231934623 is a prime.

It is a super-2 number, since 2×1442422403232312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144242240323211) 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, 765917226 + ... + 766105528.

It is an arithmetic number, because the mean of its divisors is an integer number (18031787671680).

Almost surely, 2144242240323231 is an apocalyptic number.

144242240323231 is a deficient number, since it is larger than the sum of its proper divisors (12061050209).

144242240323231 is a wasteful number, since it uses less digits than its factorization.

144242240323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248285.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 144242240323231 its reverse (132323042242441), we get a palindrome (276565282565672).

The spelling of 144242240323231 in words is "one hundred forty-four trillion, two hundred forty-two billion, two hundred forty million, three hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 18439 41543 188303 766011377 3472119017 7822671529 144242240323231