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14851087440 = 243578839933
BaseRepresentation
bin11011101010011000…
…11001110001010000
31102022222221102001120
431311030121301100
5220403334244230
610453354202240
71034011106010
oct156514316120
942288842046
1014851087440
116331062892
122a65723380
131528a3b107
14a0c53dc40
155bdbec310
hex375319c50

14851087440 has 80 divisors (see below), whose sum is σ = 52615287168. Its totient is φ = 3394533888.

The previous prime is 14851087421. The next prime is 14851087453. The reversal of 14851087440 is 4478015841.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 14851087392 and 14851087401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4418287 + ... + 4421646.

Almost surely, 214851087440 is an apocalyptic number.

14851087440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14851087440 is an abundant number, since it is smaller than the sum of its proper divisors (37764199728).

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

14851087440 is a wasteful number, since it uses less digits than its factorization.

14851087440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8839956 (or 8839950 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 14851087440 in words is "fourteen billion, eight hundred fifty-one million, eighty-seven thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 8839933 17679866 26519799 35359732 44199665 53039598 61879531 70719464 88399330 106079196 123759062 132598995 141438928 176798660 185638593 212158392 247518124 265197990 309397655 353597320 371277186 424316784 495036248 530395980 618795310 707194640 742554372 928192965 990072496 1060791960 1237590620 1485108744 1856385930 2121583920 2475181240 2970217488 3712771860 4950362480 7425543720 14851087440