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120148113 = 32311711487
BaseRepresentation
bin1110010100101…
…01000010010001
322101002011020010
413022111002101
5221224214423
615531105133
72656146021
oct712250221
9271064203
10120148113
1161903068
12342a21a9
131bb79477
1411d57a81
15a834693
hex7295091

120148113 has 16 divisors (see below), whose sum is σ = 167417856. Its totient is φ = 76499280.

The previous prime is 120148111. The next prime is 120148181. The reversal of 120148113 is 311841021.

It is a happy number.

It is not a de Polignac number, because 120148113 - 21 = 120148111 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120148113.

It is not an unprimeable number, because it can be changed into a prime (120148111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80056 + ... + 81542.

It is an arithmetic number, because the mean of its divisors is an integer number (10463616).

Almost surely, 2120148113 is an apocalyptic number.

It is an amenable number.

120148113 is a deficient number, since it is larger than the sum of its proper divisors (47269743).

120148113 is a wasteful number, since it uses less digits than its factorization.

120148113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 120148113 is about 10961.2094679374. The cubic root of 120148113 is about 493.4452636924.

Adding to 120148113 its reverse (311841021), we get a palindrome (431989134).

The spelling of 120148113 in words is "one hundred twenty million, one hundred forty-eight thousand, one hundred thirteen".

Divisors: 1 3 23 69 1171 1487 3513 4461 26933 34201 80799 102603 1741277 5223831 40049371 120148113