Search a number
-
+
11450274528 = 2537211220117
BaseRepresentation
bin10101010100111110…
…10101001011100000
31002112222201012202210
422222133111023200
5141422232241103
65132111042120
7553514504400
oct125237251340
932488635683
1011450274528
114946421800
122276810340
1311062bc294
147a8a00800
15470383e03
hex2aa7d52e0

11450274528 has 216 divisors, whose sum is σ = 38433668616. Its totient is φ = 2973949440.

The previous prime is 11450274527. The next prime is 11450274547. The reversal of 11450274528 is 82547205411.

11450274528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×114502745282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450274527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 559126 + ... + 579242.

It is an arithmetic number, because the mean of its divisors is an integer number (177933651).

Almost surely, 211450274528 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 11450274528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19216834308).

11450274528 is an abundant number, since it is smaller than the sum of its proper divisors (26983394088).

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

11450274528 is a wasteful number, since it uses less digits than its factorization.

11450274528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166 (or 20140 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

Adding to 11450274528 its reverse (82547205411), we get a palindrome (93997479939).

The spelling of 11450274528 in words is "eleven billion, four hundred fifty million, two hundred seventy-four thousand, five hundred twenty-eight".