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120013011 = 3223579773
BaseRepresentation
bin1110010011101…
…00000011010011
322100211021220100
413021310003103
5221210404021
615524143443
72655044106
oct711640323
9270737810
10120013011
1161820608
1234237b83
131bb2cb21
1411d2073d
15a809626
hex72740d3

120013011 has 12 divisors (see below), whose sum is σ = 180889488. Its totient is φ = 76529904.

The previous prime is 120013009. The next prime is 120013051. The reversal of 120013011 is 110310021.

It is not a de Polignac number, because 120013011 - 21 = 120013009 is a prime.

It is a super-2 number, since 2×1200130112 = 28806245618572242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120012984 and 120013002.

It is not an unprimeable number, because it can be changed into a prime (120013001) 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 11 ways as a sum of consecutive naturals, for example, 289680 + ... + 290093.

It is an arithmetic number, because the mean of its divisors is an integer number (15074124).

Almost surely, 2120013011 is an apocalyptic number.

120013011 is a deficient number, since it is larger than the sum of its proper divisors (60876477).

120013011 is a wasteful number, since it uses less digits than its factorization.

120013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579802 (or 579799 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 120013011 is about 10955.0450021896. The cubic root of 120013011 is about 493.2602408248.

Adding to 120013011 its reverse (110310021), we get a palindrome (230323032).

The spelling of 120013011 in words is "one hundred twenty million, thirteen thousand, eleven".

Divisors: 1 3 9 23 69 207 579773 1739319 5217957 13334779 40004337 120013011