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166120130 = 25111579619
BaseRepresentation
bin10011110011011…
…00101011000010
3102120120202222102
421321230223002
5320011321010
624252310402
74054666151
oct1171545302
9376522872
10166120130
1185852570
1247772402
1328554347
14180c3598
15e8b5ba5
hex9e6cac2

166120130 has 32 divisors (see below), whose sum is σ = 328311360. Its totient is φ = 60016320.

The previous prime is 166120109. The next prime is 166120133. The reversal of 166120130 is 31021661.

166120130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166120133) 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, 12461 + ... + 22079.

It is an arithmetic number, because the mean of its divisors is an integer number (10259730).

Almost surely, 2166120130 is an apocalyptic number.

166120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166120130 is a deficient number, since it is larger than the sum of its proper divisors (162191230).

166120130 is a wasteful number, since it uses less digits than its factorization.

166120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 166120130 is about 12888.7598317294. The cubic root of 166120130 is about 549.7190079823.

Adding to 166120130 its reverse (31021661), we get a palindrome (197141791).

The spelling of 166120130 in words is "one hundred sixty-six million, one hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 157 314 785 1570 1727 3454 8635 9619 17270 19238 48095 96190 105809 211618 529045 1058090 1510183 3020366 7550915 15101830 16612013 33224026 83060065 166120130