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22200330131 = 78338210551
BaseRepresentation
bin10100101011001111…
…100010011110010011
32010022011211121202022
4110223033202132103
5330431241031011
614110530042055
71414100456360
oct245317423623
963264747668
1022200330131
119462564681
124376a1932b
13212a4c3625
14110860b467
1589e0008db
hex52b3e2793

22200330131 has 8 divisors (see below), whose sum is σ = 25677490944. Its totient is φ = 18799590600.

The previous prime is 22200330041. The next prime is 22200330157. The reversal of 22200330131 is 13103300222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-22200330131 is a prime.

It is a super-2 number, since 2×222003301312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22200330331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19104695 + ... + 19105856.

It is an arithmetic number, because the mean of its divisors is an integer number (3209686368).

Almost surely, 222200330131 is an apocalyptic number.

22200330131 is a deficient number, since it is larger than the sum of its proper divisors (3477160813).

22200330131 is an equidigital number, since it uses as much as digits as its factorization.

22200330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38210641.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22200330131 its reverse (13103300222), we get a palindrome (35303630353).

The spelling of 22200330131 in words is "twenty-two billion, two hundred million, three hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7 83 581 38210551 267473857 3171475733 22200330131