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11001230044 = 2274110987917
BaseRepresentation
bin10100011111011100…
…10111001011011100
31001101200202101112121
422033232113023130
5140012303330134
65015350312324
7536422624660
oct121756271334
931350671477
1011001230044
1147359a8a62
1221703586a4
13106426849c
147651108a0
15445c33ab4
hex28fb972dc

11001230044 has 48 divisors (see below), whose sum is σ = 22746144960. Its totient is φ = 4557565440.

The previous prime is 11001230039. The next prime is 11001230047. The reversal of 11001230044 is 44003210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001230047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81174 + ... + 169090.

It is an arithmetic number, because the mean of its divisors is an integer number (473878020).

Almost surely, 211001230044 is an apocalyptic number.

11001230044 is a gapful number since it is divisible by the number (14) 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 11001230044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11373072480).

11001230044 is an abundant number, since it is smaller than the sum of its proper divisors (11744914916).

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

11001230044 is a wasteful number, since it uses less digits than its factorization.

11001230044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88078 (or 88076 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11001230044 its reverse (44003210011), we get a palindrome (55004440055).

The spelling of 11001230044 in words is "eleven billion, one million, two hundred thirty thousand, forty-four".

Divisors: 1 2 4 7 14 28 41 82 109 164 218 287 436 574 763 1148 1526 3052 4469 8938 17876 31283 62566 87917 125132 175834 351668 615419 1230838 2461676 3604597 7209194 9582953 14418388 19165906 25232179 38331812 50464358 67080671 100928716 134161342 268322684 392901073 785802146 1571604292 2750307511 5500615022 11001230044