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13863372076972 = 221117193283339331
BaseRepresentation
bin1100100110111101000101…
…0111100011011110101100
31211002022210020101100000001
43021233101113203132230
53304114141222430342
645252424544314044
72630411166230335
oct311572127433654
954068706340001
1013863372076972
114465472135920
12167a993312924
13797405b8c292
1435cdc2a1d28c
1519094126a8b7
hexc9bd15e37ac

13863372076972 has 96 divisors (see below), whose sum is σ = 28268103838464. Its totient is φ = 5879258726400.

The previous prime is 13863372076969. The next prime is 13863372076979. The reversal of 13863372076972 is 27967027336831.

It is a super-3 number, since 3×138633720769723 (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13863372076979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40685347 + ... + 41024677.

It is an arithmetic number, because the mean of its divisors is an integer number (294459414984).

Almost surely, 213863372076972 is an apocalyptic number.

It is an amenable number.

13863372076972 is an abundant number, since it is smaller than the sum of its proper divisors (14404731761492).

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

13863372076972 is a wasteful number, since it uses less digits than its factorization.

13863372076972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339839 (or 339837 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 64.

The spelling of 13863372076972 in words is "thirteen trillion, eight hundred sixty-three billion, three hundred seventy-two million, seventy-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 193 283 374 386 566 748 772 1132 2123 3113 3281 4246 4811 6226 6562 8492 9622 12452 13124 19244 36091 52921 54619 72182 105842 109238 144364 211684 218476 339331 600809 678662 928523 1201618 1357324 1857046 2403236 3714092 3732641 5768627 7465282 10213753 11537254 14930564 20427506 23074508 40855012 63454897 65490883 96030673 126909794 130981766 192061346 253819588 261963532 384122692 720399713 1056337403 1113345011 1440799426 1632521441 2112674806 2226690022 2881598852 3265042882 4225349612 4453380044 6530085764 12246795121 17957735851 18533919889 24493590242 35915471702 37067839778 48987180484 71830943404 74135679556 203873118779 315076638113 407746237558 630153276226 815492475116 1260306552452 3465843019243 6931686038486 13863372076972