Search a number
-
+
27114587990 = 257232732233
BaseRepresentation
bin11001010000001001…
…111100011101010110
32120222122212210012122
4121100021330131112
5421012313303430
620242315415542
71646632123640
oct312011743526
976878783178
1027114587990
1110554529306
1253087545b2
132731661309
14145314d890
15a8a66bee5
hex65027c756

27114587990 has 48 divisors (see below), whose sum is σ = 58309257888. Its totient is φ = 8892225408.

The previous prime is 27114587977. The next prime is 27114588019. The reversal of 27114587990 is 9978541172.

It is a congruent number.

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, 329087 + ... + 403146.

It is an arithmetic number, because the mean of its divisors is an integer number (1214776206).

Almost surely, 227114587990 is an apocalyptic number.

27114587990 is an abundant number, since it is smaller than the sum of its proper divisors (31194669898).

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

27114587990 is a wasteful number, since it uses less digits than its factorization.

27114587990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732293 (or 732270 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 27114587990 in words is "twenty-seven billion, one hundred fourteen million, five hundred eighty-seven thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 529 805 1058 1610 2645 3703 5290 7406 18515 37030 732233 1464466 3661165 5125631 7322330 10251262 16841359 25628155 33682718 51256310 84206795 117889513 168413590 235779026 387351257 589447565 774702514 1178895130 1936756285 2711458799 3873512570 5422917598 13557293995 27114587990