Search a number
-
+
5278011161 = 12773956237
BaseRepresentation
bin1001110101001100…
…00000111100011001
3111121211111202011212
410322212000330121
541302132324121
62231422032505
7244536232433
oct47246007431
914554452155
105278011161
1122693329a5
121033718735
1366162ac37
14380d8d653
1520d57025b
hex13a980f19

5278011161 has 8 divisors (see below), whose sum is σ = 5326863360. Its totient is φ = 5229273168.

The previous prime is 5278011157. The next prime is 5278011163. The reversal of 5278011161 is 1611108725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5278011161 - 22 = 5278011157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5278011163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65735 + ... + 121971.

It is an arithmetic number, because the mean of its divisors is an integer number (665857920).

Almost surely, 25278011161 is an apocalyptic number.

It is an amenable number.

5278011161 is a deficient number, since it is larger than the sum of its proper divisors (48852199).

5278011161 is a wasteful number, since it uses less digits than its factorization.

5278011161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57103.

The product of its (nonzero) digits is 3360, while the sum is 32.

The square root of 5278011161 is about 72649.9219614171. The cubic root of 5278011161 is about 1741.0988743992.

Adding to 5278011161 its reverse (1611108725), we get a palindrome (6889119886).

The spelling of 5278011161 in words is "five billion, two hundred seventy-eight million, eleven thousand, one hundred sixty-one".

Divisors: 1 127 739 56237 93853 7142099 41559143 5278011161