Search a number
-
+
120801506 = 2719454141
BaseRepresentation
bin1110011001101…
…00100011100010
322102022100111212
413030310203202
5221411122011
615553110122
72664536660
oct714644342
9272270455
10120801506
1162209a61
1234558342
131c0479a7
1412087c30
15a91308b
hex73348e2

120801506 has 16 divisors (see below), whose sum is σ = 217988160. Its totient is φ = 49047120.

The previous prime is 120801503. The next prime is 120801521. The reversal of 120801506 is 605108021.

It is not an unprimeable number, because it can be changed into a prime (120801503) 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, 226805 + ... + 227336.

It is an arithmetic number, because the mean of its divisors is an integer number (13624260).

Almost surely, 2120801506 is an apocalyptic number.

120801506 is a deficient number, since it is larger than the sum of its proper divisors (97186654).

120801506 is a wasteful number, since it uses less digits than its factorization.

120801506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454169.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 120801506 is about 10990.9738422034. The cubic root of 120801506 is about 494.3381366067.

Adding to 120801506 its reverse (605108021), we get a palindrome (725909527).

The spelling of 120801506 in words is "one hundred twenty million, eight hundred one thousand, five hundred six".

Divisors: 1 2 7 14 19 38 133 266 454141 908282 3178987 6357974 8628679 17257358 60400753 120801506