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120152013 = 3175922769
BaseRepresentation
bin1110010100101…
…01111111001101
322101002100120120
413022111333031
5221224331023
615531135153
72656163262
oct712257715
9271070516
10120152013
1161905a93
12342a44b9
131bb7b187
1411d59269
15a8358e3
hex7295fcd

120152013 has 8 divisors (see below), whose sum is σ = 160300800. Its totient is φ = 80052288.

The previous prime is 120152009. The next prime is 120152089. The reversal of 120152013 is 310251021.

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

It is not a de Polignac number, because 120152013 - 22 = 120152009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120151983 and 120152001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120152003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6108 + ... + 16661.

It is an arithmetic number, because the mean of its divisors is an integer number (20037600).

Almost surely, 2120152013 is an apocalyptic number.

It is an amenable number.

120152013 is a deficient number, since it is larger than the sum of its proper divisors (40148787).

120152013 is a wasteful number, since it uses less digits than its factorization.

120152013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24531.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 120152013 is about 10961.3873665700. The cubic root of 120152013 is about 493.4506027018.

It can be divided in two parts, 12015 and 2013, that added together give a triangular number (14028 = T167).

The spelling of 120152013 in words is "one hundred twenty million, one hundred fifty-two thousand, thirteen".

Divisors: 1 3 1759 5277 22769 68307 40050671 120152013