Search a number
-
+
120133205 = 524026641
BaseRepresentation
bin1110010100100…
…01011001010101
322101001101202222
413022101121111
5221223230310
615530512125
72656054403
oct712213125
9271041688
10120133205
11618a2945
1234295645
131bb7274a
1411d52473
15a830055
hex7291655

120133205 has 4 divisors (see below), whose sum is σ = 144159852. Its totient is φ = 96106560.

The previous prime is 120133193. The next prime is 120133231. The reversal of 120133205 is 502331021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502331021 = 1566732063.

It can be written as a sum of positive squares in 2 ways, for example, as 93528241 + 26604964 = 9671^2 + 5158^2 .

It is not a de Polignac number, because 120133205 - 26 = 120133141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12013316 + ... + 12013325.

It is an arithmetic number, because the mean of its divisors is an integer number (36039963).

Almost surely, 2120133205 is an apocalyptic number.

It is an amenable number.

120133205 is a deficient number, since it is larger than the sum of its proper divisors (24026647).

120133205 is an equidigital number, since it uses as much as digits as its factorization.

120133205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026646.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 120133205 is about 10960.5294123961. The cubic root of 120133205 is about 493.4248539218.

Adding to 120133205 its reverse (502331021), we get a palindrome (622464226).

The spelling of 120133205 in words is "one hundred twenty million, one hundred thirty-three thousand, two hundred five".

Divisors: 1 5 24026641 120133205