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22320310242 = 2317691316681
BaseRepresentation
bin10100110010011001…
…001110011111100010
32010121112121020112010
4110302121032133202
5331202444411432
614130453413350
71420055335536
oct246231163742
963545536463
1022320310242
11951426249a
1243ab03a256
132149311489
14111a51dbc6
158a98003cc
hex53264e7e2

22320310242 has 32 divisors (see below), whose sum is σ = 47335091904. Its totient is φ = 6992294400.

The previous prime is 22320310231. The next prime is 22320310247. The reversal of 22320310242 is 24201302322.

It is a super-3 number, since 3×223203102423 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22320310247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87859 + ... + 228822.

It is an arithmetic number, because the mean of its divisors is an integer number (1479221622).

Almost surely, 222320310242 is an apocalyptic number.

22320310242 is an abundant number, since it is smaller than the sum of its proper divisors (25014781662).

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

22320310242 is a wasteful number, since it uses less digits than its factorization.

22320310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317394.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22320310242 its reverse (24201302322), we get a palindrome (46521612564).

The spelling of 22320310242 in words is "twenty-two billion, three hundred twenty million, three hundred ten thousand, two hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 691 1382 2073 4146 11747 23494 35241 70482 316681 633362 950043 1900086 5383577 10767154 16150731 32301462 218826571 437653142 656479713 1312959426 3720051707 7440103414 11160155121 22320310242