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243231024300340 = 22512161551215017
BaseRepresentation
bin110111010011011110100010…
…110011010100000100110100
31011220012122210021210210010011
4313103132202303110010310
5223340044114210102330
62221150442345510004
7102142601345651566
oct6723364263240464
91156178707723104
10243231024300340
117055677521a32a
1223343975aa2304
13a59478303556b
14440c631597336
151d1bee547e82a
hexdd37a2cd4134

243231024300340 has 12 divisors (see below), whose sum is σ = 510785151030756. Its totient is φ = 97292409720128.

The previous prime is 243231024300317. The next prime is 243231024300391. The reversal of 243231024300340 is 43003420132342.

It is a happy number.

243231024300340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31842862130704 + 211388162169636 = 5642948^2 + 14539194^2 .

It is a super-2 number, since 2×2432310243003402 (a number of 30 digits) contains 22 as substring.

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, 6080775607489 + ... + 6080775607528.

It is an arithmetic number, because the mean of its divisors is an integer number (42565429252563).

Almost surely, 2243231024300340 is an apocalyptic number.

243231024300340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243231024300340 is an abundant number, since it is smaller than the sum of its proper divisors (267554126730416).

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

243231024300340 is a wasteful number, since it uses less digits than its factorization.

243231024300340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161551215026 (or 12161551215024 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 243231024300340 its reverse (43003420132342), we get a palindrome (286234444432682).

The spelling of 243231024300340 in words is "two hundred forty-three trillion, two hundred thirty-one billion, twenty-four million, three hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 12161551215017 24323102430034 48646204860068 60807756075085 121615512150170 243231024300340