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27056750635021 = 128321088659887
BaseRepresentation
bin1100010011011101001000…
…00000101010100000001101
310112210121012110202110000011
412021232210000222200031
512021244211130310041
6133313411042433221
75461533334515412
oct611564400524015
9115717173673004
1027056750635021
118691781402438
12304b943062811
131213596105673
146977a758c109
1531dc1c8d7e81
hex189ba402a80d

27056750635021 has 4 divisors (see below), whose sum is σ = 27077839296192. Its totient is φ = 27035661973852.

The previous prime is 27056750635001. The next prime is 27056750635097. The reversal of 27056750635021 is 12053605765072.

It is a happy number.

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 27056750635021 - 217 = 27056750503949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27056750635001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10544328661 + ... + 10544331226.

It is an arithmetic number, because the mean of its divisors is an integer number (6769459824048).

Almost surely, 227056750635021 is an apocalyptic number.

It is an amenable number.

27056750635021 is a deficient number, since it is larger than the sum of its proper divisors (21088661171).

27056750635021 is a wasteful number, since it uses less digits than its factorization.

27056750635021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088661170.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 27056750635021 in words is "twenty-seven trillion, fifty-six billion, seven hundred fifty million, six hundred thirty-five thousand, twenty-one".

Divisors: 1 1283 21088659887 27056750635021