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122222010010013 = 177189530000589
BaseRepresentation
bin11011110010100100000111…
…011111011000100110011101
3121000202022101000121221000222
4123302210013133120212131
5112004441134030310023
61111540003302531125
734513151226505514
oct3362440737304635
9530668330557028
10122222010010013
1135a42077369511
121185b53ba36aa5
135327641c28474
142227810c2967b
15e1e41d011cc8
hex6f29077d899d

122222010010013 has 4 divisors (see below), whose sum is σ = 129411540010620. Its totient is φ = 115032480009408.

The previous prime is 122222010010003. The next prime is 122222010010039. The reversal of 122222010010013 is 310010010222221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45674524273849 + 76547485736164 = 6758293^2 + 8749142^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222010010013 - 222 = 122222005815709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 7189530000589 = 122222010010013 / (1 + 2 + 2 + 2 + 2 + 2 + 0 + 1 + 0 + 0 + 1 + 0 + 0 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122222010009973 and 122222010010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222010010003) 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, 3594765000278 + ... + 3594765000311.

It is an arithmetic number, because the mean of its divisors is an integer number (32352885002655).

Almost surely, 2122222010010013 is an apocalyptic number.

It is an amenable number.

122222010010013 is a deficient number, since it is larger than the sum of its proper divisors (7189530000607).

122222010010013 is an equidigital number, since it uses as much as digits as its factorization.

122222010010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7189530000606.

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

Adding to 122222010010013 its reverse (310010010222221), we get a palindrome (432232020232234).

The spelling of 122222010010013 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, ten million, ten thousand, thirteen".

Divisors: 1 17 7189530000589 122222010010013