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122300021013 = 340766673671
BaseRepresentation
bin111000111100110100…
…1100011100100010101
3102200200022001210011220
41301321221203210111
54000432301133023
6132103413520553
711556465012012
oct1617151434425
9380608053156
10122300021013
114795a19aa35
121b852043159
13b6c0868c51
145cc29bc709
1532abd7d3e3
hex1c79a63915

122300021013 has 4 divisors (see below), whose sum is σ = 163066694688. Its totient is φ = 81533347340.

The previous prime is 122300020993. The next prime is 122300021017. The reversal of 122300021013 is 310120003221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122300021013 - 229 = 121763150101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122300020983 and 122300021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122300021017) 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, 20383336833 + ... + 20383336838.

It is an arithmetic number, because the mean of its divisors is an integer number (40766673672).

Almost surely, 2122300021013 is an apocalyptic number.

It is an amenable number.

122300021013 is a deficient number, since it is larger than the sum of its proper divisors (40766673675).

122300021013 is an equidigital number, since it uses as much as digits as its factorization.

122300021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40766673674.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 122300021013 its reverse (310120003221), we get a palindrome (432420024234).

The spelling of 122300021013 in words is "one hundred twenty-two billion, three hundred million, twenty-one thousand, thirteen".

Divisors: 1 3 40766673671 122300021013