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1300002212 = 221973894241
BaseRepresentation
bin100110101111100…
…0111010110100100
310100121011221210002
41031133013112210
510130300032322
6332555320432
744133556625
oct11537072644
93317157702
101300002212
116078a99a3
12303450118
13179438ca2
14c4921a4c
15791e0c92
hex4d7c75a4

1300002212 has 24 divisors (see below), whose sum is σ = 2292970680. Its totient is φ = 644887040.

The previous prime is 1300002199. The next prime is 1300002229. The reversal of 1300002212 is 2122000031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 805651456 + 494350756 = 28384^2 + 22234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1300002193 and 1300002202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304412 + ... + 308652.

It is an arithmetic number, because the mean of its divisors is an integer number (95540445).

Almost surely, 21300002212 is an apocalyptic number.

It is an amenable number.

1300002212 is a deficient number, since it is larger than the sum of its proper divisors (992968468).

1300002212 is a wasteful number, since it uses less digits than its factorization.

1300002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831 (or 4829 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1300002212 is about 36055.5434295477. The cubic root of 1300002212 is about 1091.3935020764.

Adding to 1300002212 its reverse (2122000031), we get a palindrome (3422002243).

The spelling of 1300002212 in words is "one billion, three hundred million, two thousand, two hundred twelve".

Divisors: 1 2 4 197 389 394 778 788 1556 4241 8482 16964 76633 153266 306532 835477 1649749 1670954 3299498 3341908 6598996 325000553 650001106 1300002212