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144024143231 = 473064343473
BaseRepresentation
bin1000011000100010000…
…0100000010101111111
3111202202021211112111002
42012020200200111333
54324430140040411
6150055213120515
713256024006213
oct2061040402577
9452667745432
10144024143231
1156097968551
1223ab548913b
13107734b7937
146d83c68943
153b2e16533b
hex218882057f

144024143231 has 4 divisors (see below), whose sum is σ = 147088486752. Its totient is φ = 140959799712.

The previous prime is 144024143171. The next prime is 144024143287. The reversal of 144024143231 is 132341420441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144024143231 is a prime.

It is a super-2 number, since 2×1440241432312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144024143194 and 144024143203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144024142231) 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, 1532171690 + ... + 1532171783.

It is an arithmetic number, because the mean of its divisors is an integer number (36772121688).

Almost surely, 2144024143231 is an apocalyptic number.

144024143231 is a deficient number, since it is larger than the sum of its proper divisors (3064343521).

144024143231 is an equidigital number, since it uses as much as digits as its factorization.

144024143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064343520.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 144024143231 its reverse (132341420441), we get a palindrome (276365563672).

The spelling of 144024143231 in words is "one hundred forty-four billion, twenty-four million, one hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 47 3064343473 144024143231