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123220300201 = 1729337741661
BaseRepresentation
bin111001011000010000…
…0001001000110101001
3102210001102201210220021
41302300200021012221
54004323344101301
6132335010400441
711621341161505
oct1626040110651
9383042653807
10123220300201
1148291713349
121ba6a290121
13b809412b4b
145d6ccd7305
153312a638a1
hex1cb08091a9

123220300201 has 16 divisors (see below), whose sum is σ = 135368148240. Its totient is φ = 111640596480.

The previous prime is 123220300193. The next prime is 123220300207. The reversal of 123220300201 is 102003022321.

It can be written as a sum of positive squares in 8 ways, for example, as 597069225 + 122623230976 = 24435^2 + 350176^2 .

It is a cyclic number.

It is not a de Polignac number, because 123220300201 - 23 = 123220300193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123220300207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204690 + ... + 536971.

It is an arithmetic number, because the mean of its divisors is an integer number (8460509265).

Almost surely, 2123220300201 is an apocalyptic number.

It is an amenable number.

123220300201 is a deficient number, since it is larger than the sum of its proper divisors (12147848039).

123220300201 is a wasteful number, since it uses less digits than its factorization.

123220300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742044.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123220300201 its reverse (102003022321), we get a palindrome (225223322522).

The spelling of 123220300201 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred thousand, two hundred one".

Divisors: 1 17 29 337 493 5729 9773 166141 741661 12608237 21508169 249939757 365638873 4248975869 7248252953 123220300201