Search a number
-
+
27907294230 = 2335461224209
BaseRepresentation
bin11001111111011001…
…111000010000010110
32200000220111102202000
4121333121320100112
5424123231403410
620453114100130
72005366041564
oct317731702026
980026442660
1027907294230
1110920a38232
1254aa11a646
13282995c36a
1414ca53aa34
15ad5052dc0
hex67f678416

27907294230 has 64 divisors (see below), whose sum is σ = 74581214400. Its totient is φ = 7425768960.

The previous prime is 27907294229. The next prime is 27907294253. The reversal of 27907294230 is 3249270972.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12366 + ... + 236574.

It is an arithmetic number, because the mean of its divisors is an integer number (1165331475).

Almost surely, 227907294230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27907294230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37290607200).

27907294230 is an abundant number, since it is smaller than the sum of its proper divisors (46673920170).

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

27907294230 is a wasteful number, since it uses less digits than its factorization.

27907294230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224686 (or 224680 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 27907294230 in words is "twenty-seven billion, nine hundred seven million, two hundred ninety-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 461 922 1383 2305 2766 4149 4610 6915 8298 12447 13830 20745 24894 41490 62235 124470 224209 448418 672627 1121045 1345254 2017881 2242090 3363135 4035762 6053643 6726270 10089405 12107286 20178810 30268215 60536430 103360349 206720698 310081047 516801745 620162094 930243141 1033603490 1550405235 1860486282 2790729423 3100810470 4651215705 5581458846 9302431410 13953647115 27907294230