Search a number
-
+
27958882134 = 235387921013
BaseRepresentation
bin11010000010011110…
…101010111101010110
32200011111120101001010
4122002132222331112
5424224433212014
620502155513050
72006563401621
oct320236527526
980144511033
1027958882134
1110948072a67
125503458786
132837552451
1414d3328db8
15ad9843359
hex6827aaf56

27958882134 has 16 divisors (see below), whose sum is σ = 56972817072. Its totient is φ = 9143785248.

The previous prime is 27958882103. The next prime is 27958882139. The reversal of 27958882134 is 43128885972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27958882139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43960189 + ... + 43960824.

It is an arithmetic number, because the mean of its divisors is an integer number (3560801067).

Almost surely, 227958882134 is an apocalyptic number.

27958882134 is an abundant number, since it is smaller than the sum of its proper divisors (29013934938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27958882134 is a wasteful number, since it uses less digits than its factorization.

27958882134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87921071.

The product of its digits is 7741440, while the sum is 57.

The spelling of 27958882134 in words is "twenty-seven billion, nine hundred fifty-eight million, eight hundred eighty-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 53 106 159 318 87921013 175842026 263763039 527526078 4659813689 9319627378 13979441067 27958882134