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42331403140 = 22513162813089
BaseRepresentation
bin100111011011001001…
…011111001110000100
311001021011000002100221
4213123021133032010
51143143314400030
631240300514124
73026003663335
oct473311371604
9131234002327
1042331403140
1116a52a787a4
12825484b944
133cb80a1250
14209809228c
15117b50ce7a
hex9db25f384

42331403140 has 24 divisors (see below), whose sum is σ = 95734096920. Its totient is φ = 15630056448.

The previous prime is 42331403089. The next prime is 42331403141. The reversal of 42331403140 is 4130413324.

It can be written as a sum of positive squares in 4 ways, for example, as 204661636 + 42126741504 = 14306^2 + 205248^2 .

It is not an unprimeable number, because it can be changed into a prime (42331403141) 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, 81406285 + ... + 81406804.

It is an arithmetic number, because the mean of its divisors is an integer number (3988920705).

Almost surely, 242331403140 is an apocalyptic number.

It is an amenable number.

42331403140 is an abundant number, since it is smaller than the sum of its proper divisors (53402693780).

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

42331403140 is a wasteful number, since it uses less digits than its factorization.

42331403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162813111 (or 162813109 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42331403140 its reverse (4130413324), we get a palindrome (46461816464).

The spelling of 42331403140 in words is "forty-two billion, three hundred thirty-one million, four hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 162813089 325626178 651252356 814065445 1628130890 2116570157 3256261780 4233140314 8466280628 10582850785 21165701570 42331403140