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27420362200 = 23527117324391
BaseRepresentation
bin11001100010011000…
…011000010111011000
32121202222020201120101
4121202120120113120
5422124103042300
620332521305144
71660334142640
oct314230302730
977688221511
1027420362200
11106a1096a70
1253930351b4
13277cb013ba
1414819c7520
15aa741bb6a
hex6626185d8

27420362200 has 192 divisors, whose sum is σ = 80575557120. Its totient is φ = 8429184000.

The previous prime is 27420362197. The next prime is 27420362219. The reversal of 27420362200 is 226302472.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1112005 + ... + 1136395.

It is an arithmetic number, because the mean of its divisors is an integer number (419664360).

Almost surely, 227420362200 is an apocalyptic number.

27420362200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27420362200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40287778560).

27420362200 is an abundant number, since it is smaller than the sum of its proper divisors (53155194920).

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

27420362200 is a wasteful number, since it uses less digits than its factorization.

27420362200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24498 (or 24489 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 27420362200 its reverse (226302472), we get a palindrome (27646664672).

The spelling of 27420362200 in words is "twenty-seven billion, four hundred twenty million, three hundred sixty-two thousand, two hundred".