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202144423312 = 241335750581
BaseRepresentation
bin1011110001000010111…
…1110001110110010000
3201022202210101200021001
42330100233301312100
511302442433021222
6232510332311344
720414220151006
oct2742057616620
9638683350231
10202144423312
1178802291177
1233215912554
13160a6692000
149ad8c12a76
1553d1863e27
hex2f10bf1d90

202144423312 has 40 divisors (see below), whose sum is σ = 424277939960. Its totient is φ = 93297409920.

The previous prime is 202144423309. The next prime is 202144423339. The reversal of 202144423312 is 213324441202.

202144423312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122712892416 + 79431530896 = 350304^2 + 281836^2 .

It is a super-2 number, since 2×2021444233122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 2840139 + ... + 2910442.

It is an arithmetic number, because the mean of its divisors is an integer number (10606948499).

Almost surely, 2202144423312 is an apocalyptic number.

It is an amenable number.

202144423312 is an abundant number, since it is smaller than the sum of its proper divisors (222133516648).

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

202144423312 is an equidigital number, since it uses as much as digits as its factorization.

202144423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750628 (or 5750596 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202144423312 its reverse (213324441202), we get a palindrome (415468864514).

The spelling of 202144423312 in words is "two hundred two billion, one hundred forty-four million, four hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2197 2704 4394 8788 17576 35152 5750581 11501162 23002324 46004648 74757553 92009296 149515106 299030212 598060424 971848189 1196120848 1943696378 3887392756 7774785512 12634026457 15549571024 25268052914 50536105828 101072211656 202144423312