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120132013 = 1723307243
BaseRepresentation
bin1110010100100…
…01000110101101
322101001100010211
413022101012231
5221223211023
615530502421
72656051051
oct712210655
9271040124
10120132013
11618a1a61
1234294a11
131bb72041
1411d51c61
15a82ea0d
hex72911ad

120132013 has 8 divisors (see below), whose sum is σ = 132729408. Its totient is φ = 108149184.

The previous prime is 120131989. The next prime is 120132017. The reversal of 120132013 is 310231021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120132013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120131984 and 120132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120132017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153231 + ... + 154012.

It is an arithmetic number, because the mean of its divisors is an integer number (16591176).

Almost surely, 2120132013 is an apocalyptic number.

It is an amenable number.

120132013 is a deficient number, since it is larger than the sum of its proper divisors (12597395).

120132013 is a wasteful number, since it uses less digits than its factorization.

120132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307283.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120132013 is about 10960.4750353258. The cubic root of 120132013 is about 493.4232219435.

Adding to 120132013 its reverse (310231021), we get a palindrome (430363034).

The spelling of 120132013 in words is "one hundred twenty million, one hundred thirty-two thousand, thirteen".

Divisors: 1 17 23 391 307243 5223131 7066589 120132013