Search a number
-
+
122200004143 = 717457143449
BaseRepresentation
bin111000111001110110…
…0000001011000101111
3102200102022212101211101
41301303230001120233
54000231200113033
6132045442103531
711554141616440
oct1616354013057
9380368771741
10122200004143
1147908797868
121b82464aba7
13b6a5c1a879
145cb35c52c7
1532a31c397d
hex1c73b0162f

122200004143 has 4 divisors (see below), whose sum is σ = 139657147600. Its totient is φ = 104742860688.

The previous prime is 122200004077. The next prime is 122200004161. The reversal of 122200004143 is 341400002221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122200004143 - 217 = 122199873071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122200004143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200007143) 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, 8728571718 + ... + 8728571731.

It is an arithmetic number, because the mean of its divisors is an integer number (34914286900).

Almost surely, 2122200004143 is an apocalyptic number.

122200004143 is a deficient number, since it is larger than the sum of its proper divisors (17457143457).

122200004143 is an equidigital number, since it uses as much as digits as its factorization.

122200004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17457143456.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122200004143 its reverse (341400002221), we get a palindrome (463600006364).

The spelling of 122200004143 in words is "one hundred twenty-two billion, two hundred million, four thousand, one hundred forty-three".

Divisors: 1 7 17457143449 122200004143