Search a number
-
+
55065161512 = 23109187133751
BaseRepresentation
bin110011010010001000…
…111010111100101000
312021010120211000222101
4303102020322330220
51400233140132022
641144021303144
73656365102324
oct632210727450
9167116730871
1055065161512
1121397936949
12a809264ab4
135267264a0a
142945314984
1516743bd627
hexcd223af28

55065161512 has 32 divisors (see below), whose sum is σ = 104253177600. Its totient is φ = 27264600000.

The previous prime is 55065161477. The next prime is 55065161531. The reversal of 55065161512 is 21516156055.

It is a super-2 number, since 2×550651615122 (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1614637 + ... + 1648387.

It is an arithmetic number, because the mean of its divisors is an integer number (3257911800).

Almost surely, 255065161512 is an apocalyptic number.

It is an amenable number.

55065161512 is a deficient number, since it is larger than the sum of its proper divisors (49188016088).

55065161512 is a wasteful number, since it uses less digits than its factorization.

55065161512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35737 (or 35733 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 55065161512 in words is "fifty-five billion, sixty-five million, one hundred sixty-one thousand, five hundred twelve".

Divisors: 1 2 4 8 109 218 436 872 1871 3742 7484 14968 33751 67502 135004 203939 270008 407878 815756 1631512 3678859 7357718 14715436 29430872 63148121 126296242 252592484 505184968 6883145189 13766290378 27532580756 55065161512