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11081502140 = 2254189317479
BaseRepresentation
bin10100101001000001…
…00100110110111100
31001121021210122011012
422110200210312330
5140143331032030
65031335014352
7541416133262
oct122440446674
931537718135
1011081502140
114777245635
12219320a3b8
131077a92677
14771a48432
1544ccdd095
hex294824dbc

11081502140 has 96 divisors (see below), whose sum is σ = 24233126400. Its totient is φ = 4253511680.

The previous prime is 11081502101. The next prime is 11081502151. The reversal of 11081502140 is 4120518011.

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, 23134421 + ... + 23134899.

It is an arithmetic number, because the mean of its divisors is an integer number (252428400).

Almost surely, 211081502140 is an apocalyptic number.

11081502140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11081502140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12116563200).

11081502140 is an abundant number, since it is smaller than the sum of its proper divisors (13151624260).

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

11081502140 is a wasteful number, since it uses less digits than its factorization.

11081502140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The spelling of 11081502140 in words is "eleven billion, eighty-one million, five hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 82 89 164 178 205 317 356 410 445 479 634 820 890 958 1268 1585 1780 1916 2395 3170 3649 4790 6340 7298 9580 12997 14596 18245 19639 25994 28213 36490 39278 42631 51988 56426 64985 72980 78556 85262 98195 112852 129970 141065 151843 170524 196390 213155 259940 282130 303686 392780 426310 564260 607372 759215 852620 1156733 1518430 1747871 2313466 3036860 3495742 4626932 5783665 6225563 6991484 8739355 11567330 12451126 13514027 17478710 23134660 24902252 27028054 31127815 34957420 54056108 62255630 67570135 124511260 135140270 270280540 554075107 1108150214 2216300428 2770375535 5540751070 11081502140