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120300302013 = 340100100671
BaseRepresentation
bin111000000001001110…
…1001110111010111101
3102111111221020112102020
41300002131032322331
53432333334131023
6131133140550353
711456103460323
oct1600235167275
9374457215366
10120300302013
1147023425501
121b3943b23b9
13b46248c778
145b73197d13
1531e1523de3
hex1c0274eebd

120300302013 has 4 divisors (see below), whose sum is σ = 160400402688. Its totient is φ = 80200201340.

The previous prime is 120300301969. The next prime is 120300302027. The reversal of 120300302013 is 310203003021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310203003021 = 3103401001007.

It is a cyclic number.

It is not a de Polignac number, because 120300302013 - 28 = 120300301757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120300301983 and 120300302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120300302513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20050050333 + ... + 20050050338.

It is an arithmetic number, because the mean of its divisors is an integer number (40100100672).

Almost surely, 2120300302013 is an apocalyptic number.

It is an amenable number.

120300302013 is a deficient number, since it is larger than the sum of its proper divisors (40100100675).

120300302013 is an equidigital number, since it uses as much as digits as its factorization.

120300302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40100100674.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 120300302013 its reverse (310203003021), we get a palindrome (430503305034).

The spelling of 120300302013 in words is "one hundred twenty billion, three hundred million, three hundred two thousand, thirteen".

Divisors: 1 3 40100100671 120300302013