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193688295934068 = 223213735156300351
BaseRepresentation
bin101100000010100010010010…
…000100111000100001110100
3221101210102100100220022210200
4230002202102010320201310
5200341342112224342233
61523535101430320500
755540342351050525
oct5402422204704164
9841712310808720
10193688295934068
115679582167a741
121988210a4b9130
13840c960371bb0
1435b87c650a84c
15175d425181313
hexb02892138874

193688295934068 has 72 divisors (see below), whose sum is σ = 527334319389696. Its totient is φ = 59588290440000.

The previous prime is 193688295933983. The next prime is 193688295934097. The reversal of 193688295934068 is 860439592886391.

193688295934068 is a `hidden beast` number, since 1 + 9 + 36 + 8 + 8 + 2 + 95 + 93 + 406 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24709908 + ... + 31590443.

Almost surely, 2193688295934068 is an apocalyptic number.

193688295934068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

193688295934068 is an abundant number, since it is smaller than the sum of its proper divisors (333646023455628).

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

193688295934068 is a wasteful number, since it uses less digits than its factorization.

193688295934068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56307725 (or 56307720 counting only the distinct ones).

The product of its (nonzero) digits is 4837294080, while the sum is 81.

The spelling of 193688295934068 in words is "one hundred ninety-three trillion, six hundred eighty-eight billion, two hundred ninety-five million, nine hundred thirty-four thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 7351 14702 22053 29404 44106 66159 88212 95563 132318 191126 264636 286689 382252 573378 860067 1146756 1720134 3440268 56300351 112600702 168901053 225201404 337802106 506703159 675604212 731904563 1013406318 1463809126 2026812636 2195713689 2927618252 4391427378 6587141067 8782854756 13174282134 26348564268 413863880201 827727760402 1241591640603 1655455520804 2483183281206 3724774921809 4966366562412 5380230442613 7449549843618 10760460885226 14899099687236 16140691327839 21520921770452 32281382655678 48422073983517 64562765311356 96844147967034 193688295934068