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122201222322013 = 730916719280657
BaseRepresentation
bin11011110010010000110000…
…011100101001011101011101
3121000200022201021220221222121
4123302100300130221131131
5112004121100403301023
61111522244434342541
734511514131204242
oct3362206034513535
9530608637827877
10122201222322013
1135a3427a24887a
12118574ba12aa51
1353256ab2bb973
1422267dc0a15c9
15e1db03051d5d
hex6f243072975d

122201222322013 has 4 divisors (see below), whose sum is σ = 122217941609980. Its totient is φ = 122184503034048.

The previous prime is 122201222321999. The next prime is 122201222322017. The reversal of 122201222322013 is 310223222102221.

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 56291212546009 + 65910009776004 = 7502747^2 + 8118498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122201222322013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201222322017) 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, 8359633020 + ... + 8359647637.

It is an arithmetic number, because the mean of its divisors is an integer number (30554485402495).

Almost surely, 2122201222322013 is an apocalyptic number.

It is an amenable number.

122201222322013 is a deficient number, since it is larger than the sum of its proper divisors (16719287967).

122201222322013 is an equidigital number, since it uses as much as digits as its factorization.

122201222322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16719287966.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122201222322013 its reverse (310223222102221), we get a palindrome (432424444424234).

The spelling of 122201222322013 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty-two million, three hundred twenty-two thousand, thirteen".

Divisors: 1 7309 16719280657 122201222322013