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381422561182992 = 2434742043933111
BaseRepresentation
bin101011010111001101101110…
…0010001001100010100010000
31212000111122022002122020210000
41112232123130101030110100
5344443211401130323432
63431115034452010000
7143224604431265250
oct12656333421142420
91760448262566700
10381422561182992
1110059544413862a
12369422b8000900
13134a9cbb04a504
146a28d440d7960
152e16a21e3757c
hex15ae6dc44c510

381422561182992 has 100 divisors (see below), whose sum is σ = 1261654344824896. Its totient is φ = 108977874621120.

The previous prime is 381422561182981. The next prime is 381422561183057. The reversal of 381422561182992 is 299281165224183.

381422561182992 is a `hidden beast` number, since 3 + 8 + 1 + 4 + 2 + 2 + 5 + 611 + 8 + 2 + 9 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21021957484 + ... + 21021975627.

Almost surely, 2381422561182992 is an apocalyptic number.

It is an amenable number.

381422561182992 is an abundant number, since it is smaller than the sum of its proper divisors (880231783641904).

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

381422561182992 is a wasteful number, since it uses less digits than its factorization.

381422561182992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42043933138 (or 42043933123 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The spelling of 381422561182992 in words is "three hundred eighty-one trillion, four hundred twenty-two billion, five hundred sixty-one million, one hundred eighty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1134 1296 1512 2268 3024 4536 9072 42043933111 84087866222 126131799333 168175732444 252263598666 294307531777 336351464888 378395397999 504527197332 588615063554 672702929776 756790795998 882922595331 1009054394664 1135186193997 1177230127108 1513581591996 1765845190662 2018108789328 2270372387994 2354460254216 2648767785993 3027163183992 3405558581991 3531690381324 4540744775988 4708920508432 5297535571986 6054326367984 6811117163982 7063380762648 7946303357979 9081489551976 10595071143972 13622234327964 14126761525296 15892606715958 18162979103952 21190142287944 23838910073937 27244468655928 31785213431916 42380284575888 47677820147874 54488937311856 63570426863832 95355640295748 127140853727664 190711280591496 381422561182992