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120115132 = 22171766399
BaseRepresentation
bin1110010100011…
…00111110111100
322101000110222121
413022030332330
5221222141012
615530252324
72655650614
oct712147674
9271013877
10120115132
1161890305
12342870a4
131bb67457
1411d49a44
15a829a07
hex728cfbc

120115132 has 12 divisors (see below), whose sum is σ = 222566400. Its totient is φ = 56524736.

The previous prime is 120115109. The next prime is 120115147. The reversal of 120115132 is 231511021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883132 + ... + 883267.

It is an arithmetic number, because the mean of its divisors is an integer number (18547200).

Almost surely, 2120115132 is an apocalyptic number.

It is an amenable number.

120115132 is a deficient number, since it is larger than the sum of its proper divisors (102451268).

120115132 is a wasteful number, since it uses less digits than its factorization.

120115132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766420 (or 1766418 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 120115132 is about 10959.7049230351. The cubic root of 120115132 is about 493.4001088493.

Adding to 120115132 its reverse (231511021), we get a palindrome (351626153).

The spelling of 120115132 in words is "one hundred twenty million, one hundred fifteen thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 1766399 3532798 7065596 30028783 60057566 120115132