Search a number
-
+
27951437084 = 2219793353047
BaseRepresentation
bin11010000010000010…
…010001010100011100
32200010222120010100112
4122002002101110130
5424221031441314
620501332145152
72006443203134
oct320202212434
980128503315
1027951437084
111094394842a
125500a681b8
132835b467ac
1414d234bac4
15ad8d7243e
hex68209151c

27951437084 has 12 divisors (see below), whose sum is σ = 48917624784. Its totient is φ = 13974972864.

The previous prime is 27951437071. The next prime is 27951437113. The reversal of 27951437084 is 48073415972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97352 + ... + 255695.

It is an arithmetic number, because the mean of its divisors is an integer number (4076468732).

Almost surely, 227951437084 is an apocalyptic number.

It is an amenable number.

27951437084 is a deficient number, since it is larger than the sum of its proper divisors (20966187700).

27951437084 is a wasteful number, since it uses less digits than its factorization.

27951437084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372844 (or 372842 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 27951437084 in words is "twenty-seven billion, nine hundred fifty-one million, four hundred thirty-seven thousand, eighty-four".

Divisors: 1 2 4 19793 39586 79172 353047 706094 1412188 6987859271 13975718542 27951437084