Search a number
-
+
120011109 = 3172353159
BaseRepresentation
bin1110010011100…
…11100101100101
322100211012021220
413021303211211
5221210323414
615524130553
72655035421
oct711634545
9270735256
10120011109
116181a139
1234236a59
131bb2bcba
1411d1db81
15a808ca9
hex7273965

120011109 has 8 divisors (see below), whose sum is σ = 169427520. Its totient is φ = 75301056.

The previous prime is 120011057. The next prime is 120011119. The reversal of 120011109 is 901110021.

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

It is not a de Polignac number, because 120011109 - 27 = 120010981 is a prime.

It is a super-5 number, since 5×1200111095 (a number of 42 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176529 + ... + 1176630.

It is an arithmetic number, because the mean of its divisors is an integer number (21178440).

Almost surely, 2120011109 is an apocalyptic number.

It is an amenable number.

120011109 is a deficient number, since it is larger than the sum of its proper divisors (49416411).

120011109 is a wasteful number, since it uses less digits than its factorization.

120011109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353179.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 120011109 is about 10954.9581925263. The cubic root of 120011109 is about 493.2576350353.

The spelling of 120011109 in words is "one hundred twenty million, eleven thousand, one hundred nine".

Divisors: 1 3 17 51 2353159 7059477 40003703 120011109