Search a number
-
+
11223615488 = 21123412
BaseRepresentation
bin10100111001111101…
…01100100000000000
31001222012012202000112
422130332230200000
5140441221143423
65053413010452
7545063105021
oct123476544000
931865182015
1011223615488
11483a490488
122212923a28
13109b35c8c7
1478687cc48
1545a510a78
hex29cfac800

11223615488 has 36 divisors (see below), whose sum is σ = 22451341185. Its totient is φ = 5609410560.

The previous prime is 11223615439. The next prime is 11223615493. The reversal of 11223615488 is 88451632211.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 10956227584 + 267387904 = 104672^2 + 16352^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=74912.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4793198 + ... + 4795538.

Almost surely, 211223615488 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 11223615488

11223615488 is an abundant number, since it is smaller than the sum of its proper divisors (11227725697).

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

11223615488 is an frugal number, since it uses more digits than its factorization.

11223615488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704 (or 2343 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The spelling of 11223615488 in words is "eleven billion, two hundred twenty-three million, six hundred fifteen thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 2341 4682 9364 18728 37456 74912 149824 299648 599296 1198592 2397184 4794368 5480281 10960562 21921124 43842248 87684496 175368992 350737984 701475968 1402951936 2805903872 5611807744 11223615488