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144312444444 = 22374441386851
BaseRepresentation
bin1000011001100110110…
…0010010011000011100
3111210111101022202101210
42012121230102120130
54331022441210234
6150143552304420
713266124352430
oct2063154223034
9453441282353
10144312444444
1156225681513
1223b75b42110
13107bb14a87c
146db02749c0
153b49612be9
hex2199b1261c

144312444444 has 48 divisors (see below), whose sum is σ = 384920834816. Its totient is φ = 41222736000.

The previous prime is 144312444443. The next prime is 144312444569. The reversal of 144312444444 is 444444213441.

It is a nude number because it is divisible by every one of its digits.

144312444444 is a modest number, since divided by 444444 gives 144312 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312444443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179619 + ... + 566469.

Almost surely, 2144312444444 is an apocalyptic number.

144312444444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144312444444 is an abundant number, since it is smaller than the sum of its proper divisors (240608390372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144312444444 is a wasteful number, since it uses less digits than its factorization.

144312444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391306 (or 391304 counting only the distinct ones).

The product of its digits is 393216, while the sum is 39.

Adding to 144312444444 its reverse (444444213441), we get a palindrome (588756657885).

The spelling of 144312444444 in words is "one hundred forty-four billion, three hundred twelve million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 4441 8882 13323 17764 26646 31087 53292 62174 93261 124348 186522 373044 386851 773702 1160553 1547404 2321106 2707957 4642212 5415914 8123871 10831828 16247742 32495484 1718005291 3436010582 5154015873 6872021164 10308031746 12026037037 20616063492 24052074074 36078111111 48104148148 72156222222 144312444444