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11185389150 = 23521313143787
BaseRepresentation
bin10100110101011001…
…10111111001011110
31001212112021122100020
422122230313321132
5140401424423100
65045525413010
7544120144665
oct123254677136
931775248306
1011185389150
11481a951471
122201b6a166
131093467480
1478176bddc
15456eae5a0
hex29ab37e5e

11185389150 has 96 divisors (see below), whose sum is σ = 30102323328. Its totient is φ = 2732246400.

The previous prime is 11185389113. The next prime is 11185389151. The reversal of 11185389150 is 5198358111.

It is a super-2 number, since 2×111853891502 (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 (11185389151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233557 + ... + 277343.

It is an arithmetic number, because the mean of its divisors is an integer number (313565868).

Almost surely, 211185389150 is an apocalyptic number.

11185389150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11185389150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15051161664).

11185389150 is an abundant number, since it is smaller than the sum of its proper divisors (18916934178).

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

11185389150 is a wasteful number, since it uses less digits than its factorization.

11185389150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43946 (or 43941 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 42.

The spelling of 11185389150 in words is "eleven billion, one hundred eighty-five million, three hundred eighty-nine thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 131 150 195 262 325 390 393 650 655 786 975 1310 1703 1950 1965 3275 3406 3930 5109 6550 8515 9825 10218 17030 19650 25545 42575 43787 51090 85150 87574 127725 131361 218935 255450 262722 437870 569231 656805 1094675 1138462 1313610 1707693 2189350 2846155 3284025 3415386 5692310 5736097 6568050 8538465 11472194 14230775 17076930 17208291 28461550 28680485 34416582 42692325 57360970 74569261 85384650 86041455 143402425 149138522 172082910 223707783 286804850 372846305 430207275 447415566 745692610 860414550 1118538915 1864231525 2237077830 3728463050 5592694575 11185389150