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4231231120 = 24552890389
BaseRepresentation
bin1111110000110011…
…0111011010010000
3101220212210210220201
43330030313122100
532131143343440
61535505544544
7206565604534
oct37414673220
911825723821
104231231120
111881468626
129a1045154
135257c216c
142c1d45bc4
1519b6ed19a
hexfc337690

4231231120 has 20 divisors (see below), whose sum is σ = 9837612540. Its totient is φ = 1692492416.

The previous prime is 4231231117. The next prime is 4231231127. The reversal of 4231231120 is 211321324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2632510864 + 1598720256 = 51308^2 + 39984^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (4231231127) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 26445115 + ... + 26445274.

It is an arithmetic number, because the mean of its divisors is an integer number (491880627).

Almost surely, 24231231120 is an apocalyptic number.

4231231120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4231231120 is an abundant number, since it is smaller than the sum of its proper divisors (5606381420).

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

4231231120 is a wasteful number, since it uses less digits than its factorization.

4231231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52890402 (or 52890396 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4231231120 is about 65047.9140326575. The cubic root of 4231231120 is about 1617.4179158187.

Adding to 4231231120 its reverse (211321324), we get a palindrome (4442552444).

The spelling of 4231231120 in words is "four billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 52890389 105780778 211561556 264451945 423123112 528903890 846246224 1057807780 2115615560 4231231120