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22210030312 = 232776253789
BaseRepresentation
bin10100101011110100…
…100010101011101000
32010022212002102220021
4110223310202223220
5330441231432222
614111514010224
71414246066651
oct245364425350
963285072807
1022210030312
119467a8a558
12437a116974
13212c50b892
141109a14528
1589ecb9ac7
hex52bd22ae8

22210030312 has 8 divisors (see below), whose sum is σ = 41643806850. Its totient is φ = 11105015152.

The previous prime is 22210030301. The next prime is 22210030327. The reversal of 22210030312 is 21303001222.

It can be written as a sum of positive squares in only one way, i.e., 11161077316 + 11048952996 = 105646^2 + 105114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1388126887 + ... + 1388126902.

Almost surely, 222210030312 is an apocalyptic number.

It is an amenable number.

22210030312 is a deficient number, since it is larger than the sum of its proper divisors (19433776538).

22210030312 is a wasteful number, since it uses less digits than its factorization.

22210030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776253795 (or 2776253791 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22210030312 its reverse (21303001222), we get a palindrome (43513031534).

The spelling of 22210030312 in words is "twenty-two billion, two hundred ten million, thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 2776253789 5552507578 11105015156 22210030312