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120165141 = 340055047
BaseRepresentation
bin1110010100110…
…01001100010101
322101010000120210
413022121030111
5221230241031
615531320033
72656246455
oct712311425
9271100523
10120165141
1161914938
12342b0019
131bb84145
1411d5dd65
15a839746
hex7299315

120165141 has 4 divisors (see below), whose sum is σ = 160220192. Its totient is φ = 80110092.

The previous prime is 120165127. The next prime is 120165161. The reversal of 120165141 is 141561021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120165141 - 25 = 120165109 is a prime.

It is a super-2 number, since 2×1201651412 = 28879322223099762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120165161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20027521 + ... + 20027526.

It is an arithmetic number, because the mean of its divisors is an integer number (40055048).

Almost surely, 2120165141 is an apocalyptic number.

It is an amenable number.

120165141 is a deficient number, since it is larger than the sum of its proper divisors (40055051).

120165141 is an equidigital number, since it uses as much as digits as its factorization.

120165141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40055050.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 120165141 is about 10961.9861795206. The cubic root of 120165141 is about 493.4685737798.

The spelling of 120165141 in words is "one hundred twenty million, one hundred sixty-five thousand, one hundred forty-one".

Divisors: 1 3 40055047 120165141