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271100512868681 = 396768338924343
BaseRepresentation
bin111101101001000010000001…
…110001001001100101001001
31022112212221210212101000200002
4331221002001301021211021
5241013202322243244211
62400325504543052345
7111050236302110216
oct7551020161114511
91275787725330602
10271100512868681
1179421099a36281
12264a51192a10b5
13b8368900b0432
144ad3498ad8b0d
152151e2e59203b
hexf69081c49949

271100512868681 has 4 divisors (see below), whose sum is σ = 271168851796992. Its totient is φ = 271032173940372.

The previous prime is 271100512868639. The next prime is 271100512868797. The reversal of 271100512868681 is 186868215001172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 271100512868681 - 222 = 271100508674377 is a prime.

It is a super-2 number, since 2×2711005128686812 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271100512868621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34169458205 + ... + 34169466138.

It is an arithmetic number, because the mean of its divisors is an integer number (67792212949248).

Almost surely, 2271100512868681 is an apocalyptic number.

It is an amenable number.

271100512868681 is a deficient number, since it is larger than the sum of its proper divisors (68338928311).

271100512868681 is an equidigital number, since it uses as much as digits as its factorization.

271100512868681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68338928310.

The product of its (nonzero) digits is 2580480, while the sum is 56.

The spelling of 271100512868681 in words is "two hundred seventy-one trillion, one hundred billion, five hundred twelve million, eight hundred sixty-eight thousand, six hundred eighty-one".

Divisors: 1 3967 68338924343 271100512868681