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144440042302 = 272220021151
BaseRepresentation
bin1000011010000101001…
…1000010001100111110
3111210211021102101202101
42012201103002030332
54331303122323202
6150204351215314
713302234050023
oct2064123021476
9453737371671
10144440042302
1156290702696
1223bb081753a
131080b704b6a
146dc31ab54a
153b55919887
hex21a14c233e

144440042302 has 4 divisors (see below), whose sum is σ = 216660063456. Its totient is φ = 72220021150.

The previous prime is 144440042287. The next prime is 144440042339. The reversal of 144440042302 is 203240044441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36110010574 + ... + 36110010577.

It is an arithmetic number, because the mean of its divisors is an integer number (54165015864).

Almost surely, 2144440042302 is an apocalyptic number.

144440042302 is a deficient number, since it is larger than the sum of its proper divisors (72220021154).

144440042302 is an equidigital number, since it uses as much as digits as its factorization.

144440042302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72220021153.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 144440042302 its reverse (203240044441), we get a palindrome (347680086743).

The spelling of 144440042302 in words is "one hundred forty-four billion, four hundred forty million, forty-two thousand, three hundred two".

Divisors: 1 2 72220021151 144440042302