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10000020211993 = 71817892675779
BaseRepresentation
bin1001000110000100111110…
…1001110000100100011001
31022101222210121021010110201
42101201033221300210121
52302320020133240433
633133540150142201
72051322552215350
oct221411751604431
938358717233421
1010000020211993
113205a91789649
1211560a2651961
13576cc83b4296
14268009ab0997
151251cbad6a7d
hex9184fa70919

10000020211993 has 8 divisors (see below), whose sum is σ = 11491735935680. Its totient is φ = 8524089840240.

The previous prime is 10000020211903. The next prime is 10000020212023. The reversal of 10000020211993 is 39911202000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10000020211993 - 237 = 9862581258521 is a prime.

It is a super-2 number, since 2×100000202119932 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10000020211903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946336623 + ... + 3946339156.

It is an arithmetic number, because the mean of its divisors is an integer number (1436466991960).

Almost surely, 210000020211993 is an apocalyptic number.

It is an amenable number.

10000020211993 is a deficient number, since it is larger than the sum of its proper divisors (1491715723687).

10000020211993 is an equidigital number, since it uses as much as digits as its factorization.

10000020211993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892675967.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 10000020211993 its reverse (39911202000001), we get a palindrome (49911222211994).

The spelling of 10000020211993 in words is "ten trillion, twenty million, two hundred eleven thousand, nine hundred ninety-three".

Divisors: 1 7 181 1267 7892675779 55248730453 1428574315999 10000020211993