Search a number
-
+
27529792146 = 23217379237379
BaseRepresentation
bin11001101000111001…
…110100101010010010
32122001121011100020100
4121220321310222102
5422340111322041
620351430553230
71663133241453
oct315071645222
978047140210
1027529792146
111074793933a
125403808816
13279969714c
14149235112a
15ab1d356b6
hex668e74a92

27529792146 has 48 divisors (see below), whose sum is σ = 63323488800. Its totient is φ = 8613972864.

The previous prime is 27529792117. The next prime is 27529792153. The reversal of 27529792146 is 64129792572.

27529792146 is a `hidden beast` number, since 2 + 7 + 529 + 79 + 2 + 1 + 46 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 27529792092 and 27529792101.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2716 + ... + 234663.

It is an arithmetic number, because the mean of its divisors is an integer number (1319239350).

Almost surely, 227529792146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27529792146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31661744400).

27529792146 is an abundant number, since it is smaller than the sum of its proper divisors (35793696654).

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

27529792146 is a wasteful number, since it uses less digits than its factorization.

27529792146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237783 (or 237780 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 27529792146 in words is "twenty-seven billion, five hundred twenty-nine million, seven hundred ninety-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 379 758 1137 2274 3411 6443 6822 12886 19329 38658 57987 115974 237379 474758 712137 1424274 2136411 4035443 4272822 8070886 12106329 24212658 36318987 72637974 89966641 179933282 269899923 539799846 809699769 1529432897 1619399538 3058865794 4588298691 9176597382 13764896073 27529792146