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144133455231 = 3217255414631
BaseRepresentation
bin1000011000111100000…
…1011111110101111111
3111210000220112011100200
42012033001133311333
54330141131031411
6150114120054543
713261522104123
oct2061701376577
9453026464320
10144133455231
115614363a247
1223b26004453
131079003baac
146d945a1583
153b38a58e56
hex218f05fd7f

144133455231 has 18 divisors (see below), whose sum is σ = 221159796312. Its totient is φ = 90436676160.

The previous prime is 144133455227. The next prime is 144133455233. The reversal of 144133455231 is 132554331441.

144133455231 is a `hidden beast` number, since 1 + 4 + 41 + 3 + 34 + 552 + 31 = 666.

It is not a de Polignac number, because 144133455231 - 22 = 144133455227 is a prime.

It is a super-2 number, since 2×1441334552312 (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 (144133455233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27704715 + ... + 27709916.

Almost surely, 2144133455231 is an apocalyptic number.

144133455231 is a deficient number, since it is larger than the sum of its proper divisors (77026341081).

144133455231 is a wasteful number, since it uses less digits than its factorization.

144133455231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55414671 (or 55414651 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 144133455231 its reverse (132554331441), we get a palindrome (276687786672).

The spelling of 144133455231 in words is "one hundred forty-four billion, one hundred thirty-three million, four hundred fifty-five thousand, two hundred thirty-one".

Divisors: 1 3 9 17 51 153 289 867 2601 55414631 166243893 498731679 942048727 2826146181 8478438543 16014828359 48044485077 144133455231