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2120221102013 = 7302888728859
BaseRepresentation
bin11110110110100111000…
…001101000111110111101
321111200122212001121101222
4132312213001220332331
5234214203100231023
64302003252243125
7306116025003530
oct36664701507675
97450585047358
102120221102013
117481a95a1143
122a2ab59104a5
13124c224b3921
147489530ca17
153a2425a9cc8
hex1eda7068fbd

2120221102013 has 4 divisors (see below), whose sum is σ = 2423109830880. Its totient is φ = 1817332373148.

The previous prime is 2120221102009. The next prime is 2120221102063. The reversal of 2120221102013 is 3102011220212.

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 2120221102013 - 22 = 2120221102009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120221101982 and 2120221102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120221102063) 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, 151444364423 + ... + 151444364436.

It is an arithmetic number, because the mean of its divisors is an integer number (605777457720).

Almost surely, 22120221102013 is an apocalyptic number.

It is an amenable number.

2120221102013 is a deficient number, since it is larger than the sum of its proper divisors (302888728867).

2120221102013 is an equidigital number, since it uses as much as digits as its factorization.

2120221102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302888728866.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2120221102013 its reverse (3102011220212), we get a palindrome (5222232322225).

The spelling of 2120221102013 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, one hundred two thousand, thirteen".

Divisors: 1 7 302888728859 2120221102013