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11572364840 = 235289309121
BaseRepresentation
bin10101100011100010…
…00100011000101000
31002212111110001012012
422301301010120220
5142200011133330
65152151535052
7556526323001
oct126161043050
932774401165
1011572364840
1149a9330a93
1222ab68a488
13112569877a
147bad021a8
1547ae4dc95
hex2b1c44628

11572364840 has 16 divisors (see below), whose sum is σ = 26037820980. Its totient is φ = 4628945920.

The previous prime is 11572364803. The next prime is 11572364873. The reversal of 11572364840 is 4846327511.

It can be written as a sum of positive squares in 2 ways, for example, as 11539486084 + 32878756 = 107422^2 + 5734^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 144654521 + ... + 144654600.

Almost surely, 211572364840 is an apocalyptic number.

11572364840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11572364840 is an abundant number, since it is smaller than the sum of its proper divisors (14465456140).

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

11572364840 is a wasteful number, since it uses less digits than its factorization.

11572364840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289309132 (or 289309128 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 11572364840 in words is "eleven billion, five hundred seventy-two million, three hundred sixty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 289309121 578618242 1157236484 1446545605 2314472968 2893091210 5786182420 11572364840