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80734610184 = 23331127854443
BaseRepresentation
bin100101100110000101…
…0000110001100001000
321201101112102010201120
41023030022012030020
52310321030011214
6101031114515240
75555451602154
oct1131412061410
9251345363646
1080734610184
113126a645638
1213791a35b20
1377c83a16b7
143c9c562064
152177c2aea9
hex12cc286308

80734610184 has 64 divisors (see below), whose sum is σ = 209988157440. Its totient is φ = 25838326080.

The previous prime is 80734610183. The next prime is 80734610197. The reversal of 80734610184 is 48101643708.

It is not an unprimeable number, because it can be changed into a prime (80734610183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332734 + ... + 521709.

It is an arithmetic number, because the mean of its divisors is an integer number (3281064960).

Almost surely, 280734610184 is an apocalyptic number.

It is an amenable number.

80734610184 is an abundant number, since it is smaller than the sum of its proper divisors (129253547256).

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

80734610184 is a wasteful number, since it uses less digits than its factorization.

80734610184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854610 (or 854606 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 80734610184 in words is "eighty billion, seven hundred thirty-four million, six hundred ten thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 127 186 248 254 372 381 508 744 762 1016 1524 3048 3937 7874 11811 15748 23622 31496 47244 94488 854443 1708886 2563329 3417772 5126658 6835544 10253316 20506632 26487733 52975466 79463199 105950932 108514261 158926398 211901864 217028522 317852796 325542783 434057044 635705592 651085566 868114088 1302171132 2604342264 3363942091 6727884182 10091826273 13455768364 20183652546 26911536728 40367305092 80734610184