Search a number
-
+
11580105472 = 28133799181
BaseRepresentation
bin10101100100011101…
…00110001100000000
31002220001000022100021
422302032212030000
5142204001333342
65153025503224
7556652162305
oct126216461400
932801008307
1011580105472
114a02738701
1222b21a1b14
131127178b20
147bbd590ac
1547b97c567
hex2b23a6300

11580105472 has 72 divisors (see below), whose sum is σ = 24961450640. Its totient is φ = 5329981440.

The previous prime is 11580105463. The next prime is 11580105479. The reversal of 11580105472 is 27450108511.

It is not an unprimeable number, because it can be changed into a prime (11580105479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256722 + ... + 1265902.

Almost surely, 211580105472 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 11580105472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12480725320).

11580105472 is an abundant number, since it is smaller than the sum of its proper divisors (13381345168).

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

11580105472 is an equidigital number, since it uses as much as digits as its factorization.

11580105472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589 (or 9575 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 11580105472 in words is "eleven billion, five hundred eighty million, one hundred five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 379 416 758 832 1516 1664 3032 3328 4927 6064 9181 9854 12128 18362 19708 24256 36724 39416 48512 73448 78832 97024 119353 146896 157664 238706 293792 315328 477412 587584 630656 954824 1175168 1261312 1909648 2350336 3479599 3819296 6959198 7638592 13918396 15277184 27836792 30554368 45234787 55673584 90469574 111347168 180939148 222694336 361878296 445388672 723756592 890777344 1447513184 2895026368 5790052736 11580105472