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231241140244 = 2282976967613
BaseRepresentation
bin1101011101011100001…
…0111100100000010100
3211002212121000001012201
43113113002330200110
512242040212441434
6254121500054244
722464241155352
oct3272702744024
9732777001181
10231241140244
118a083660274
1238996234384
1318a6288128a
14b2992c87d2
156036013614
hex35d70bc814

231241140244 has 12 divisors (see below), whose sum is σ = 404720826804. Its totient is φ = 115606618304.

The previous prime is 231241140233. The next prime is 231241140253. The reversal of 231241140244 is 442041142132.

It can be written as a sum of positive squares in 2 ways, for example, as 200535587344 + 30705552900 = 447812^2 + 175230^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450619 + ... + 3516994.

It is an arithmetic number, because the mean of its divisors is an integer number (33726735567).

Almost surely, 2231241140244 is an apocalyptic number.

It is an amenable number.

231241140244 is a deficient number, since it is larger than the sum of its proper divisors (173479686560).

231241140244 is a wasteful number, since it uses less digits than its factorization.

231241140244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975914 (or 6975912 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 231241140244 its reverse (442041142132), we get a palindrome (673282282376).

The spelling of 231241140244 in words is "two hundred thirty-one billion, two hundred forty-one million, one hundred forty thousand, two hundred forty-four".

Divisors: 1 2 4 8297 16594 33188 6967613 13935226 27870452 57810285061 115620570122 231241140244