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14428023638240 = 255485931855723
BaseRepresentation
bin1101000111110100100100…
…1110010100100011100000
31220002022020202220122110202
43101331021032110203200
53342342043022410430
650404050443044332
73016250606266562
oct321751116244340
956068222818422
1014428023638240
11466298822a193
1217502b7b106a8
13808731368444
1437c46a3b5332
151a048cb7bd45
hexd1f493948e0

14428023638240 has 48 divisors (see below), whose sum is σ = 34086925677168. Its totient is φ = 5771087579136.

The previous prime is 14428023638227. The next prime is 14428023638243. The reversal of 14428023638240 is 4283632082441.

It is a super-2 number, since 2×144280236382402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14428023638243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6847019 + ... + 8702741.

It is an arithmetic number, because the mean of its divisors is an integer number (710144284941).

Almost surely, 214428023638240 is an apocalyptic number.

14428023638240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14428023638240 is an abundant number, since it is smaller than the sum of its proper divisors (19658902038928).

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

14428023638240 is a wasteful number, since it uses less digits than its factorization.

14428023638240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904331 (or 1904323 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 47.

The spelling of 14428023638240 in words is "fourteen trillion, four hundred twenty-eight billion, twenty-three million, six hundred thirty-eight thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 48593 97186 194372 242965 388744 485930 777488 971860 1554976 1855723 1943720 3711446 3887440 7422892 7774880 9278615 14845784 18557230 29691568 37114460 59383136 74228920 148457840 296915680 90175147739 180350295478 360700590956 450875738695 721401181912 901751477390 1442802363824 1803502954780 2885604727648 3607005909560 7214011819120 14428023638240