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302310000220 = 22515115500011
BaseRepresentation
bin1000110011000110001…
…01001000011001011100
31001220022111121012022211
410121203011020121130
514423112330001340
6350513532250204
730561344414014
oct4314305103134
91056274535284
10302310000220
11107233128698
124a70b010964
132267a595747
14108bbc54c44
157ce53a85ea
hex466314865c

302310000220 has 12 divisors (see below), whose sum is σ = 634851000504. Its totient is φ = 120924000080.

The previous prime is 302310000191. The next prime is 302310000227. The reversal of 302310000220 is 22000013203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 302310000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302310000227) 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, 7557749986 + ... + 7557750025.

It is an arithmetic number, because the mean of its divisors is an integer number (52904250042).

Almost surely, 2302310000220 is an apocalyptic number.

It is an amenable number.

302310000220 is an abundant number, since it is smaller than the sum of its proper divisors (332541000284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302310000220 is a wasteful number, since it uses less digits than its factorization.

302310000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115500020 (or 15115500018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 302310000220 its reverse (22000013203), we get a palindrome (324310013423).

The spelling of 302310000220 in words is "three hundred two billion, three hundred ten million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 15115500011 30231000022 60462000044 75577500055 151155000110 302310000220