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122030220313 = 439878331649
BaseRepresentation
bin111000110100110010…
…0010110010000011001
3102122222111101111012101
41301221210112100121
53444404214022223
6132020535043401
711550010521031
oct1615144262031
9378874344171
10122030220313
1147830972751
121b797810561
13b6799b2a71
145c98c2a8c1
1532933374ad
hex1c69916419

122030220313 has 8 divisors (see below), whose sum is σ = 122325984000. Its totient is φ = 121734538368.

The previous prime is 122030220293. The next prime is 122030220353. The reversal of 122030220313 is 313022030221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122030220313 - 229 = 121493349401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122030220353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3839913 + ... + 3871561.

It is an arithmetic number, because the mean of its divisors is an integer number (15290748000).

Almost surely, 2122030220313 is an apocalyptic number.

It is an amenable number.

122030220313 is a deficient number, since it is larger than the sum of its proper divisors (295763687).

122030220313 is an equidigital number, since it uses as much as digits as its factorization.

122030220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40871.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 122030220313 its reverse (313022030221), we get a palindrome (435052250534).

The spelling of 122030220313 in words is "one hundred twenty-two billion, thirty million, two hundred twenty thousand, three hundred thirteen".

Divisors: 1 439 8783 31649 3855737 13893911 277973167 122030220313