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201155133160 = 23541838914621
BaseRepresentation
bin1011101101010111000…
…1111011111011101000
3201020012211212112022001
42323111301323323220
511243431203230120
6232224232340344
720350545264112
oct2732561737350
9636184775261
10201155133160
1178344912903
1232b9a5446b4
1315c79734817
149a436923b2
155374a9ae0a
hex2ed5c7bee8

201155133160 has 64 divisors (see below), whose sum is σ = 463725032400. Its totient is φ = 78484838400.

The previous prime is 201155133121. The next prime is 201155133161. The reversal of 201155133160 is 61331551102.

It can be written as a sum of positive squares in 8 ways, for example, as 12463936164 + 188691196996 = 111642^2 + 434386^2 .

It is not an unprimeable number, because it can be changed into a prime (201155133161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13750650 + ... + 13765270.

Almost surely, 2201155133160 is an apocalyptic number.

201155133160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201155133160 is an abundant number, since it is smaller than the sum of its proper divisors (262569899240).

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

201155133160 is a wasteful number, since it uses less digits than its factorization.

201155133160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23062 (or 23058 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 201155133160 its reverse (61331551102), we get a palindrome (262486684262).

The spelling of 201155133160 in words is "two hundred one billion, one hundred fifty-five million, one hundred thirty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1640 8389 14621 16778 29242 33556 41945 58484 67112 73105 83890 116968 146210 167780 292420 335560 343949 584840 599461 687898 1198922 1375796 1719745 2397844 2751592 2997305 3439490 4795688 5994610 6878980 11989220 13757960 23978440 122655569 245311138 490622276 613277845 981244552 1226555690 2453111380 4906222760 5028878329 10057756658 20115513316 25144391645 40231026632 50288783290 100577566580 201155133160