Search a number
-
+
120030130311 = 37131572800451
BaseRepresentation
bin110111111001001011…
…0100111000010000111
3102110211002212101111220
41233302112213002013
53431310203132221
6131050250131423
711446313162610
oct1576226470207
9373732771456
10120030130311
11469a4974503
121b319a20b73
13b41b506760
145b4934ac07
1531c79580c6
hex1bf25a7087

120030130311 has 32 divisors (see below), whose sum is σ = 198227194368. Its totient is φ = 62909308800.

The previous prime is 120030130303. The next prime is 120030130343. The reversal of 120030130311 is 113031030021.

It is not a de Polignac number, because 120030130311 - 23 = 120030130303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120030130411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1357365 + ... + 1443086.

It is an arithmetic number, because the mean of its divisors is an integer number (6194599824).

Almost surely, 2120030130311 is an apocalyptic number.

120030130311 is a deficient number, since it is larger than the sum of its proper divisors (78197064057).

120030130311 is a wasteful number, since it uses less digits than its factorization.

120030130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800631.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 120030130311 its reverse (113031030021), we get a palindrome (233061160332).

The spelling of 120030130311 in words is "one hundred twenty billion, thirty million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 3 7 13 21 39 91 157 273 471 1099 2041 3297 6123 14287 42861 2800451 8401353 19603157 36405863 58809471 109217589 254841041 439670807 764523123 1319012421 3077695649 5715720491 9233086947 17147161473 40010043437 120030130311