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306211100122013 = 326879367978099
BaseRepresentation
bin100010110011111110101001…
…1110110010101101110011101
31111011012111101001121110001212
41011213331103312111232131
5310113430313112401023
63003131234251314205
7121333010342432102
oct10547752366255635
91434174331543055
10306211100122013
1189628442126029
122a415919a4b965
13101b27766655c8
1455889a69daaa9
1525603c04d5e78
hex1167f53d95b9d

306211100122013 has 4 divisors (see below), whose sum is σ = 306220468132800. Its totient is φ = 306201732111228.

The previous prime is 306211100121967. The next prime is 306211100122019. The reversal of 306211100122013 is 310221001112603.

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 306211100122013 - 244 = 288618914077597 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 306211100122013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306211100122019) 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, 4683956363 + ... + 4684021736.

It is an arithmetic number, because the mean of its divisors is an integer number (76555117033200).

Almost surely, 2306211100122013 is an apocalyptic number.

It is an amenable number.

306211100122013 is a deficient number, since it is larger than the sum of its proper divisors (9368010787).

306211100122013 is an equidigital number, since it uses as much as digits as its factorization.

306211100122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9368010786.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 306211100122013 its reverse (310221001112603), we get a palindrome (616432101234616).

The spelling of 306211100122013 in words is "three hundred six trillion, two hundred eleven billion, one hundred million, one hundred twenty-two thousand, thirteen".

Divisors: 1 32687 9367978099 306211100122013