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1442432232423 = 327132197130411
BaseRepresentation
bin10100111111010111101…
…010010010101111100111
312002220011120201112121200
4110333113222102233213
5142113100122414143
63022351052413543
7206132546451330
oct24772752225747
95086146645550
101442432232423
11506806433576
121b36777772b3
13a603684c200
144db57c27287
15277c34381d3
hex14fd7a92be7

1442432232423 has 72 divisors (see below), whose sum is σ = 2714120023680. Its totient is φ = 720798886080.

The previous prime is 1442432232421. The next prime is 1442432232473. The reversal of 1442432232423 is 3242322342441.

1442432232423 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 4 + 3 + 223 + 2 + 423 = 666.

It is not a de Polignac number, because 1442432232423 - 21 = 1442432232421 is a prime.

It is a super-2 number, since 2×14424322324232 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442432232421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3362913 + ... + 3767498.

It is an arithmetic number, because the mean of its divisors is an integer number (37696111440).

Almost surely, 21442432232423 is an apocalyptic number.

1442432232423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442432232423 is a deficient number, since it is larger than the sum of its proper divisors (1271687791257).

1442432232423 is a wasteful number, since it uses less digits than its factorization.

1442432232423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130469 (or 7130453 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 1442432232423 its reverse (3242322342441), we get a palindrome (4684754574864).

The spelling of 1442432232423 in words is "one trillion, four hundred forty-two billion, four hundred thirty-two million, two hundred thirty-two thousand, four hundred twenty-three".

Divisors: 1 3 7 9 13 19 21 39 57 63 91 117 133 169 171 247 273 399 507 741 819 1183 1197 1521 1729 2223 3211 3549 5187 9633 10647 15561 22477 28899 67431 202293 7130411 21391233 49912877 64173699 92695343 135477809 149738631 278086029 406433427 449215893 648867401 834258087 948344663 1205039459 1219300281 1761211517 1946602203 2845033989 3615118377 5283634551 5839806609 8435276213 8535101967 10845355131 12328480619 15850903653 22895749721 25305828639 36985441857 68687249163 75917485917 110956325571 160270248047 206061747489 480810744141 1442432232423