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11870113540 = 2252934758979
BaseRepresentation
bin10110000111000001…
…11000111100000100
31010122020201020121211
423003200320330010
5143302222113130
65241505421204
7600103205005
oct130340707404
933566636554
1011870113540
115041407a9a
12237333a804
13117228892c
1480868b1ac
15497165a2a
hex2c3838f04

11870113540 has 48 divisors (see below), whose sum is σ = 25861550400. Its totient is φ = 4571030912.

The previous prime is 11870113531. The next prime is 11870113573. The reversal of 11870113540 is 4531107811.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171771 + ... + 230749.

It is an arithmetic number, because the mean of its divisors is an integer number (538782300).

Almost surely, 211870113540 is an apocalyptic number.

11870113540 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 11870113540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12930775200).

11870113540 is an abundant number, since it is smaller than the sum of its proper divisors (13991436860).

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

11870113540 is a wasteful number, since it uses less digits than its factorization.

11870113540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59364 (or 59362 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 11870113540 in words is "eleven billion, eight hundred seventy million, one hundred thirteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 347 580 694 1388 1735 3470 6940 10063 20126 40252 50315 58979 100630 117958 201260 235916 294895 589790 1179580 1710391 3420782 6841564 8551955 17103910 20465713 34207820 40931426 81862852 102328565 204657130 409314260 593505677 1187011354 2374022708 2967528385 5935056770 11870113540