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6814312920 = 23365233687
BaseRepresentation
bin1100101100010101…
…00010100111011000
3122120220022222000000
412112022202213120
5102423431003140
63044102213000
7330602463342
oct62612424730
918526288000
106814312920
112987558178
1213a2124160
138479c062c
14489022292
1529d38aa30
hex1962a29d8

6814312920 has 112 divisors (see below), whose sum is σ = 22987888560. Its totient is φ = 1817142336.

The previous prime is 6814312909. The next prime is 6814312933. The reversal of 6814312920 is 292134186.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 87684 + ... + 146003.

It is an arithmetic number, because the mean of its divisors is an integer number (205249005).

Almost surely, 26814312920 is an apocalyptic number.

6814312920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6814312920 is an abundant number, since it is smaller than the sum of its proper divisors (16173575640).

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

6814312920 is a wasteful number, since it uses less digits than its factorization.

6814312920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233716 (or 233697 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6814312920 is about 82548.8517182402. The cubic root of 6814312920 is about 1895.8647756467.

The spelling of 6814312920 in words is "six billion, eight hundred fourteen million, three hundred twelve thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 405 486 540 648 729 810 972 1080 1215 1458 1620 1944 2430 2916 3240 3645 4860 5832 7290 9720 14580 29160 233687 467374 701061 934748 1168435 1402122 1869496 2103183 2336870 2804244 3505305 4206366 4673740 5608488 6309549 7010610 8412732 9347480 10515915 12619098 14021220 16825464 18928647 21031830 25238196 28042440 31547745 37857294 42063660 50476392 56785941 63095490 75714588 84127320 94643235 113571882 126190980 151429176 170357823 189286470 227143764 252381960 283929705 340715646 378572940 454287528 567859410 681431292 757145880 851789115 1135718820 1362862584 1703578230 2271437640 3407156460 6814312920