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243050234431 = 2321313507269
BaseRepresentation
bin1110001001011011101…
…1000100001000111111
3212020100120220012000111
43202112323010020333
512440231330000211
6303353350010451
723363003622364
oct3422673041077
9766316805014
10243050234431
1194093580544
123b131046a27
1319bc52c3c84
14ba9981046b
1564c7b24421
hex3896ec423f

243050234431 has 12 divisors (see below), whose sum is σ = 256016680920. Its totient is φ = 230708089040.

The previous prime is 243050234429. The next prime is 243050234447. The reversal of 243050234431 is 134432050342.

It is a happy number.

It is not a de Polignac number, because 243050234431 - 21 = 243050234429 is a prime.

It is a super-2 number, since 2×2430502344312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243050234393 and 243050234402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243050234831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684336 + ... + 1822933.

It is an arithmetic number, because the mean of its divisors is an integer number (21334723410).

Almost surely, 2243050234431 is an apocalyptic number.

243050234431 is a deficient number, since it is larger than the sum of its proper divisors (12966446489).

243050234431 is a wasteful number, since it uses less digits than its factorization.

243050234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507446 (or 3507423 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 243050234431 its reverse (134432050342), we get a palindrome (377482284773).

It can be divided in two parts, 243050 and 234431, that added together give a square (477481 = 6912).

The spelling of 243050234431 in words is "two hundred forty-three billion, fifty million, two hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 23 131 529 3013 69299 3507269 80667187 459452239 1855345301 10567401497 243050234431