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11303131340 = 2253134075351
BaseRepresentation
bin10101000011011100…
…00001100011001100
31002011201211120021002
422201232001203030
5141122100200330
65105333155432
7550050013454
oct124156014314
932151746232
1011303131340
114880360966
12223548bb78
1310b19807c7
1479325ad64
154624bae45
hex2a1b818cc

11303131340 has 48 divisors (see below), whose sum is σ = 24514043904. Its totient is φ = 4373304000.

The previous prime is 11303131283. The next prime is 11303131361. The reversal of 11303131340 is 4313130311.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2109665 + ... + 2115015.

It is an arithmetic number, because the mean of its divisors is an integer number (510709248).

Almost surely, 211303131340 is an apocalyptic number.

11303131340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303131340 is an abundant number, since it is smaller than the sum of its proper divisors (13210912564).

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

11303131340 is a wasteful number, since it uses less digits than its factorization.

11303131340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11303131340 its reverse (4313130311), we get a palindrome (15616261651).

The spelling of 11303131340 in words is "eleven billion, three hundred three million, one hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3407 5351 6814 10702 13628 17035 21404 26755 34070 53510 68140 105617 107020 165881 211234 331762 422468 528085 663524 829405 1056170 1658810 2112340 3317620 18230857 36461714 72923428 91154285 182308570 364617140 565156567 1130313134 2260626268 2825782835 5651565670 11303131340