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9687939391293 = 3101349202745197
BaseRepresentation
bin1000110011111010011000…
…1011111001111100111101
31021022011021011010211012220
42030332212023321330331
52232211344441010133
632334324455115553
72016634112054262
oct214764613717475
937264234124186
109687939391293
1130a56a5249a09
121105707372bb9
13553751764077
14256c82313269
1511c013a405b3
hex8cfa62f9f3d

9687939391293 has 32 divisors (see below), whose sum is σ = 13089268483200. Its totient is φ = 6373069881600.

The previous prime is 9687939391283. The next prime is 9687939391313. The reversal of 9687939391293 is 3921939397869.

It is not a de Polignac number, because 9687939391293 - 212 = 9687939387197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9687939391253) 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, 214326571 + ... + 214371767.

It is an arithmetic number, because the mean of its divisors is an integer number (409039640100).

Almost surely, 29687939391293 is an apocalyptic number.

It is an amenable number.

9687939391293 is a deficient number, since it is larger than the sum of its proper divisors (3401329091907).

9687939391293 is a wasteful number, since it uses less digits than its factorization.

9687939391293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47677.

The product of its digits is 1071385056, while the sum is 78.

The spelling of 9687939391293 in words is "nine trillion, six hundred eighty-seven billion, nine hundred thirty-nine million, three hundred ninety-one thousand, two hundred ninety-three".

Divisors: 1 3 101 303 349 1047 2027 6081 35249 45197 105747 135591 204727 614181 707423 2122269 4564897 13694691 15773753 47321259 71449723 91614319 214349169 274842957 1593149053 4779447159 9253046219 27759138657 31973397331 95920191993 3229313130431 9687939391293