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27689046141 = 39229682047
BaseRepresentation
bin11001110010011001…
…010101000001111101
32122110200211021122110
4121302121111001331
5423201343434031
620415320204233
72000106003021
oct316231250175
978420737573
1027689046141
1110819821209
125449009679
1327c3686193
1414a9568381
15ac0ce1c46
hex67265507d

27689046141 has 4 divisors (see below), whose sum is σ = 36918728192. Its totient is φ = 18459364092.

The previous prime is 27689046139. The next prime is 27689046181. The reversal of 27689046141 is 14164098672.

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 not a de Polignac number, because 27689046141 - 21 = 27689046139 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 (27689046101) 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, 4614841021 + ... + 4614841026.

It is an arithmetic number, because the mean of its divisors is an integer number (9229682048).

Almost surely, 227689046141 is an apocalyptic number.

It is an amenable number.

27689046141 is a deficient number, since it is larger than the sum of its proper divisors (9229682051).

27689046141 is an equidigital number, since it uses as much as digits as its factorization.

27689046141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229682050.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 27689046141 in words is "twenty-seven billion, six hundred eighty-nine million, forty-six thousand, one hundred forty-one".

Divisors: 1 3 9229682047 27689046141