Search a number
-
+
120130011321 = 340043337107
BaseRepresentation
bin110111111100001001…
…1101000000010111001
3102111002001210212111120
41233320103220002321
53432011240330241
6131104215015453
711451635151105
oct1577023500271
9374061725446
10120130011321
1146a462945a1
121b34736a589
13b436108048
145b5870a905
1531d15d7666
hex1bf84e80b9

120130011321 has 4 divisors (see below), whose sum is σ = 160173348432. Its totient is φ = 80086674212.

The previous prime is 120130011319. The next prime is 120130011329. The reversal of 120130011321 is 123110031021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120130011321 - 21 = 120130011319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120130011321.

It is not an unprimeable number, because it can be changed into a prime (120130011329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20021668551 + ... + 20021668556.

It is an arithmetic number, because the mean of its divisors is an integer number (40043337108).

Almost surely, 2120130011321 is an apocalyptic number.

It is an amenable number.

120130011321 is a deficient number, since it is larger than the sum of its proper divisors (40043337111).

120130011321 is an equidigital number, since it uses as much as digits as its factorization.

120130011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40043337110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120130011321 its reverse (123110031021), we get a palindrome (243240042342).

The spelling of 120130011321 in words is "one hundred twenty billion, one hundred thirty million, eleven thousand, three hundred twenty-one".

Divisors: 1 3 40043337107 120130011321