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144563521055 = 5281910256369
BaseRepresentation
bin1000011010100010101…
…0000100011000011111
3111211010212202202202112
42012220222010120133
54332031230133210
6150224521544235
713305263440262
oct2065052043037
9454125682675
10144563521055
1156344380048
122402604507b
131082b179305
146dd5750cd9
153b616aad05
hex21a8a8461f

144563521055 has 8 divisors (see below), whose sum is σ = 173537780400. Its totient is φ = 115609780096.

The previous prime is 144563521051. The next prime is 144563521079. The reversal of 144563521055 is 550125365441.

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 144563521055 - 22 = 144563521051 is a prime.

It is a super-2 number, since 2×1445635210552 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144563521051) 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, 5114090 + ... + 5142279.

It is an arithmetic number, because the mean of its divisors is an integer number (21692222550).

Almost surely, 2144563521055 is an apocalyptic number.

144563521055 is a deficient number, since it is larger than the sum of its proper divisors (28974259345).

144563521055 is a wasteful number, since it uses less digits than its factorization.

144563521055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259193.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 144563521055 its reverse (550125365441), we get a palindrome (694688886496).

The spelling of 144563521055 in words is "one hundred forty-four billion, five hundred sixty-three million, five hundred twenty-one thousand, fifty-five".

Divisors: 1 5 2819 14095 10256369 51281845 28912704211 144563521055