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120320135 = 51317108887
BaseRepresentation
bin1110010101111…
…11000010000111
322101101220012022
413022333002013
5221300221020
615534513355
72660463365
oct712770207
9271356168
10120320135
1161a10331
123436585b
131bc09860
1411da0635
15a86a625
hex72bf087

120320135 has 16 divisors (see below), whose sum is σ = 164638656. Its totient is φ = 83624448.

The previous prime is 120320111. The next prime is 120320173. The reversal of 120320135 is 531023021.

It is a cyclic number.

It is not a de Polignac number, because 120320135 - 26 = 120320071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53339 + ... + 55548.

It is an arithmetic number, because the mean of its divisors is an integer number (10289916).

Almost surely, 2120320135 is an apocalyptic number.

120320135 is a deficient number, since it is larger than the sum of its proper divisors (44318521).

120320135 is a wasteful number, since it uses less digits than its factorization.

120320135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108922.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 120320135 is about 10969.0535143193. The cubic root of 120320135 is about 493.6806480599.

Adding to 120320135 its reverse (531023021), we get a palindrome (651343156).

The spelling of 120320135 in words is "one hundred twenty million, three hundred twenty thousand, one hundred thirty-five".

Divisors: 1 5 13 17 65 85 221 1105 108887 544435 1415531 1851079 7077655 9255395 24064027 120320135