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243031230452 = 2261996029633
BaseRepresentation
bin1110001001010111001…
…0100100011111110100
3212020022021010200110102
43202111302210133310
512440211443333302
6303351430413232
723362353242243
oct3422562443764
9766267120412
10243031230452
119408388057a
123b126801218
1319bc139c00a
14ba970a495a
1564c611d702
hex3895ca47f4

243031230452 has 12 divisors (see below), whose sum is σ = 432276861156. Its totient is φ = 119523555840.

The previous prime is 243031230439. The next prime is 243031230479. The reversal of 243031230452 is 254032130342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4187901796 + 238843328656 = 64714^2 + 488716^2 .

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, 498014573 + ... + 498015060.

It is an arithmetic number, because the mean of its divisors is an integer number (36023071763).

Almost surely, 2243031230452 is an apocalyptic number.

It is an amenable number.

243031230452 is a deficient number, since it is larger than the sum of its proper divisors (189245630704).

243031230452 is a wasteful number, since it uses less digits than its factorization.

243031230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996029698 (or 996029696 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 243031230452 its reverse (254032130342), we get a palindrome (497063360794).

The spelling of 243031230452 in words is "two hundred forty-three billion, thirty-one million, two hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 61 122 244 996029633 1992059266 3984118532 60757807613 121515615226 243031230452