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27383423848 = 2311210922381
BaseRepresentation
bin11001100000001011…
…011110001101101000
32121200101202001200021
4121200023132031220
5422040124030343
620325121450224
71656405155644
oct314013361550
977611661607
1027383423848
1110682257700
1253827a0974
13277526a2a1
14147ab2dc24
15aa40720ed
hex6602de368

27383423848 has 72 divisors (see below), whose sum is σ = 56982311190. Its totient is φ = 12327638400.

The previous prime is 27383423813. The next prime is 27383423857. The reversal of 27383423848 is 84832438372.

It can be written as a sum of positive squares in 3 ways, for example, as 19448533764 + 7934890084 = 139458^2 + 89078^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27383423795 and 27383423804.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11499618 + ... + 11501998.

Almost surely, 227383423848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27383423848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28491155595).

27383423848 is an abundant number, since it is smaller than the sum of its proper divisors (29598887342).

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

27383423848 is a wasteful number, since it uses less digits than its factorization.

27383423848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2503 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 52.

The spelling of 27383423848 in words is "twenty-seven billion, three hundred eighty-three million, four hundred twenty-three thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 88 109 121 218 242 436 484 872 968 1199 2381 2398 4762 4796 9524 9592 11881 13189 19048 23762 26191 26378 47524 52382 52756 95048 104764 105512 130691 209528 259529 261382 288101 519058 522764 576202 1038116 1045528 1152404 1437601 2076232 2304808 2854819 2875202 5709638 5750404 11419276 11500808 22838552 28288661 31403009 56577322 62806018 113154644 125612036 226309288 251224072 311175271 622350542 1244701084 2489402168 3422927981 6845855962 13691711924 27383423848