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120326141 = 1321375197
BaseRepresentation
bin1110010110000…
…00011111111101
322101102012102202
413023000133331
5221300414031
615535001245
72660520035
oct713003775
9271365382
10120326141
1161a148a1
1234369225
131bc0c500
1411da28c5
15a86c2cb
hex72c07fd

120326141 has 12 divisors (see below), whose sum is σ = 131270292. Its totient is φ = 110238336.

The previous prime is 120326123. The next prime is 120326147. The reversal of 120326141 is 141623021.

It can be written as a sum of positive squares in 6 ways, for example, as 15570916 + 104755225 = 3946^2 + 10235^2 .

It is not a de Polignac number, because 120326141 - 26 = 120326077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120326147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20555 + ... + 25751.

It is an arithmetic number, because the mean of its divisors is an integer number (10939191).

Almost surely, 2120326141 is an apocalyptic number.

It is an amenable number.

120326141 is a deficient number, since it is larger than the sum of its proper divisors (10944151).

120326141 is a wasteful number, since it uses less digits than its factorization.

120326141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 120326141 is about 10969.3272811053. The cubic root of 120326141 is about 493.6888622479.

Adding to 120326141 its reverse (141623021), we get a palindrome (261949162).

The spelling of 120326141 in words is "one hundred twenty million, three hundred twenty-six thousand, one hundred forty-one".

Divisors: 1 13 137 169 1781 5197 23153 67561 711989 878293 9255857 120326141