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160649538080 = 2555318944521
BaseRepresentation
bin1001010110011101110…
…1010110101000100000
3120100122221110002201212
42111213131112220200
510113002240204310
6201445033045252
714415021354143
oct2254735265040
9510587402655
10160649538080
1162149526799
1227175256828
13121c29bb595
147abdcb405a
1542a39e3205
hex2567756a20

160649538080 has 48 divisors (see below), whose sum is σ = 386695583064. Its totient is φ = 63047362560.

The previous prime is 160649538061. The next prime is 160649538149. The reversal of 160649538080 is 80835946061.

It can be written as a sum of positive squares in 4 ways, for example, as 146722705936 + 13926832144 = 383044^2 + 118012^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9463781 + ... + 9480740.

Almost surely, 2160649538080 is an apocalyptic number.

160649538080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160649538080 is an abundant number, since it is smaller than the sum of its proper divisors (226046044984).

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

160649538080 is a wasteful number, since it uses less digits than its factorization.

160649538080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18944589 (or 18944581 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 160649538080 in words is "one hundred sixty billion, six hundred forty-nine million, five hundred thirty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 53 80 106 160 212 265 424 530 848 1060 1696 2120 4240 8480 18944521 37889042 75778084 94722605 151556168 189445210 303112336 378890420 606224672 757780840 1004059613 1515561680 2008119226 3031123360 4016238452 5020298065 8032476904 10040596130 16064953808 20081192260 32129907616 40162384520 80324769040 160649538080