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120330161 = 7711971229
BaseRepresentation
bin1110010110000…
…01011110110001
322101102101221122
413023001132301
5221301031121
615535032025
72660534540
oct713013661
9271371848
10120330161
1161a17916
123436b615
131bc112a3
1411da4157
15a86d5ab
hex72c17b1

120330161 has 16 divisors (see below), whose sum is σ = 140279040. Its totient is φ = 101088960.

The previous prime is 120330157. The next prime is 120330169. The reversal of 120330161 is 161033021.

It is not a de Polignac number, because 120330161 - 22 = 120330157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120330169) 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, 97295 + ... + 98523.

It is an arithmetic number, because the mean of its divisors is an integer number (8767440).

Almost surely, 2120330161 is an apocalyptic number.

It is an amenable number.

120330161 is a deficient number, since it is larger than the sum of its proper divisors (19948879).

120330161 is a wasteful number, since it uses less digits than its factorization.

120330161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 120330161 is about 10969.5105177943. The cubic root of 120330161 is about 493.6943601032.

Adding to 120330161 its reverse (161033021), we get a palindrome (281363182).

The spelling of 120330161 in words is "one hundred twenty million, three hundred thirty thousand, one hundred sixty-one".

Divisors: 1 7 71 197 497 1229 1379 8603 13987 87259 97909 242113 610813 1694791 17190023 120330161