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2106755267687 = 7297983450913
BaseRepresentation
bin11110101010000100011…
…001100011110001100111
321110101220101201100101022
4132222010121203301213
5234004113322031222
64251455140521355
7305131234210400
oct36520431436147
97411811640338
102106755267687
11742519475544
122a03780b025b
1312388775cc15
1473d78b629a7
1539c052dd042
hex1ea84663c67

2106755267687 has 24 divisors (see below), whose sum is σ = 2478504714336. Its totient is φ = 1785351794688.

The previous prime is 2106755267647. The next prime is 2106755267699. The reversal of 2106755267687 is 7867625576012.

It is not a de Polignac number, because 2106755267687 - 228 = 2106486832231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106755267647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4446743 + ... + 4897655.

It is an arithmetic number, because the mean of its divisors is an integer number (103271029764).

Almost surely, 22106755267687 is an apocalyptic number.

2106755267687 is a deficient number, since it is larger than the sum of its proper divisors (371749446649).

2106755267687 is an equidigital number, since it uses as much as digits as its factorization.

2106755267687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452007 (or 452000 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 62.

The spelling of 2106755267687 in words is "two trillion, one hundred six billion, seven hundred fifty-five million, two hundred sixty-seven thousand, six hundred eighty-seven".

Divisors: 1 7 49 97 679 983 4753 6881 48167 95351 450913 667457 3156391 4672199 22094737 43738561 306169927 443247479 2143189489 3102732353 21719126471 42995005463 300965038241 2106755267687