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231202242112 = 2626053138661
BaseRepresentation
bin1101011101010010111…
…0100011111001000000
3211002202212210211000011
43113110232203321000
512242000233221422
6254113550234304
722463256426622
oct3272456437100
9732685724004
10231202242112
118a063702556
12389851b5994
1318a577b212a
14b294080c12
1560328cd077
hex35d4ba3e40

231202242112 has 28 divisors (see below), whose sum is σ = 458812867996. Its totient is φ = 115595850240.

The previous prime is 231202242101. The next prime is 231202242143. The reversal of 231202242112 is 211242202132.

231202242112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205404742656 + 25797499456 = 453216^2 + 160616^2 .

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 3 ways as a sum of consecutive naturals, for example, 1598062 + ... + 1736722.

It is an arithmetic number, because the mean of its divisors is an integer number (16386173857).

Almost surely, 2231202242112 is an apocalyptic number.

It is an amenable number.

231202242112 is a deficient number, since it is larger than the sum of its proper divisors (227610625884).

231202242112 is a wasteful number, since it uses less digits than its factorization.

231202242112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164726 (or 164716 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 231202242112 its reverse (211242202132), we get a palindrome (442444444244).

The spelling of 231202242112 in words is "two hundred thirty-one billion, two hundred two million, two hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 26053 52106 104212 138661 208424 277322 416848 554644 833696 1109288 1667392 2218576 4437152 8874304 3612535033 7225070066 14450140132 28900280264 57800560528 115601121056 231202242112