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3924740137680 = 243351817009323
BaseRepresentation
bin111001000111001100101…
…111011110001011010000
3111220012102212222120102000
4321013030233132023100
51003300331433401210
612203000053554000
7553360501506645
oct71071457361320
914805385876360
103924740137680
11128352254314a
12534783645900
13226141a38b1b
14d7d5bd3ddcc
156c158c11ac0
hex391ccbde2d0

3924740137680 has 80 divisors (see below), whose sum is σ = 13518549370560. Its totient is φ = 1046597369472.

The previous prime is 3924740137663. The next prime is 3924740137687. The reversal of 3924740137680 is 867310474293.

3924740137680 is a `hidden beast` number, since 3 + 92 + 4 + 7 + 401 + 3 + 76 + 80 = 666.

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 (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3924740137687) 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, 908502502 + ... + 908506821.

It is an arithmetic number, because the mean of its divisors is an integer number (168981867132).

Almost surely, 23924740137680 is an apocalyptic number.

3924740137680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3924740137680 is an abundant number, since it is smaller than the sum of its proper divisors (9593809232880).

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

3924740137680 is a wasteful number, since it uses less digits than its factorization.

3924740137680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817009345 (or 1817009333 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 3924740137680 in words is "three trillion, nine hundred twenty-four billion, seven hundred forty million, one hundred thirty-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 1817009323 3634018646 5451027969 7268037292 9085046615 10902055938 14536074584 16353083907 18170093230 21804111876 27255139845 29072149168 32706167814 36340186460 43608223752 49059251721 54510279690 65412335628 72680372920 81765419535 87216447504 98118503442 109020559380 130824671256 145360745840 163530839070 196237006884 218041118760 245296258605 261649342512 327061678140 392474013768 436082237520 490592517210 654123356280 784948027536 981185034420 1308246712560 1962370068840 3924740137680