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120061660 = 2256003083
BaseRepresentation
bin1110010011111…
…11111011011100
322100220202122011
413021333323130
5221213433120
615525201004
72655335665
oct711777334
9270822564
10120061660
1161854114
1234260164
131bb49004
1411d3436c
15a818c5a
hex727fedc

120061660 has 12 divisors (see below), whose sum is σ = 252129528. Its totient is φ = 48024656.

The previous prime is 120061651. The next prime is 120061661. The reversal of 120061660 is 66160021.

It is a super-3 number, since 3×1200616603 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120061661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3001522 + ... + 3001561.

It is an arithmetic number, because the mean of its divisors is an integer number (21010794).

Almost surely, 2120061660 is an apocalyptic number.

120061660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120061660 is an abundant number, since it is smaller than the sum of its proper divisors (132067868).

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

120061660 is a wasteful number, since it uses less digits than its factorization.

120061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003092 (or 6003090 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120061660 is about 10957.2651697401. The cubic root of 120061660 is about 493.3268818651.

The spelling of 120061660 in words is "one hundred twenty million, sixty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 6003083 12006166 24012332 30015415 60030830 120061660