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2131527475893 = 31488534773227
BaseRepresentation
bin11111000001001000111…
…100000010001010110101
321112202211210222220121010
4133001020330002022311
5234410332013212033
64311113223142433
7306666144413634
oct37011074021265
97482753886533
102131527475893
11751a80767192
122a51302a4a19
13126004a2b29a
1475248b7151b
153a6a4eb6863
hex1f048f022b5

2131527475893 has 8 divisors (see below), whose sum is σ = 2842056322848. Its totient is φ = 1421008473104.

The previous prime is 2131527475879. The next prime is 2131527475921. The reversal of 2131527475893 is 3985747251312.

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 2131527475893 - 26 = 2131527475829 is a prime.

It is a super-2 number, since 2×21315274758932 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131527475813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940055 + ... + 2833172.

It is an arithmetic number, because the mean of its divisors is an integer number (355257040356).

Almost surely, 22131527475893 is an apocalyptic number.

It is an amenable number.

2131527475893 is a deficient number, since it is larger than the sum of its proper divisors (710528846955).

2131527475893 is a wasteful number, since it uses less digits than its factorization.

2131527475893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922083.

The product of its digits is 12700800, while the sum is 57.

The spelling of 2131527475893 in words is "two trillion, one hundred thirty-one billion, five hundred twenty-seven million, four hundred seventy-five thousand, eight hundred ninety-three".

Divisors: 1 3 148853 446559 4773227 14319681 710509158631 2131527475893