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11530425774 = 2377312493011
BaseRepresentation
bin10101011110100010…
…00101010110101110
31002202120112022121110
422233101011112232
5142103242111044
65144053012450
7555510000450
oct125721052656
932676468543
1011530425774
1149876965aa
122299624126
131119aa345a
147b55062d0
154774176b9
hex2af4455ae

11530425774 has 64 divisors (see below), whose sum is σ = 26746560000. Its totient is φ = 3245598720.

The previous prime is 11530425737. The next prime is 11530425817. The reversal of 11530425774 is 47752403511.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3827929 + ... + 3830939.

It is an arithmetic number, because the mean of its divisors is an integer number (417915000).

Almost surely, 211530425774 is an apocalyptic number.

11530425774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11530425774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13373280000).

11530425774 is an abundant number, since it is smaller than the sum of its proper divisors (15216134226).

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

11530425774 is a wasteful number, since it uses less digits than its factorization.

11530425774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 11530425774 in words is "eleven billion, five hundred thirty million, four hundred twenty-five thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1249 1533 2498 3011 3066 3747 6022 7494 8743 9033 17486 18066 21077 26229 42154 52458 63231 91177 126462 182354 219803 273531 439606 547062 638239 659409 1276478 1318818 1538621 1914717 3077242 3760739 3829434 4615863 7521478 9231726 11282217 22564434 26325173 52650346 78975519 157951038 274533947 549067894 823601841 1647203682 1921737629 3843475258 5765212887 11530425774