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1243411124431 = 7251707689883
BaseRepresentation
bin10010000110000001000…
…101000001000011001111
311101212110110101201111211
4102012001011001003033
5130333001221440211
62351114251355251
7155555613113020
oct22060105010317
94355413351454
101243411124431
1143a367189433
12180b93a52b27
139033a289698
1444277b5ac47
1522525dc5e21
hex121811410cf

1243411124431 has 8 divisors (see below), whose sum is σ = 1426702806144. Its totient is φ = 1061534823000.

The previous prime is 1243411124429. The next prime is 1243411124453. The reversal of 1243411124431 is 1344211143421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1243411124431 - 21 = 1243411124429 is a prime.

It is a super-2 number, since 2×12434111244312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243411124393 and 1243411124402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243411125431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353843185 + ... + 353846698.

It is an arithmetic number, because the mean of its divisors is an integer number (178337850768).

Almost surely, 21243411124431 is an apocalyptic number.

1243411124431 is a deficient number, since it is larger than the sum of its proper divisors (183291681713).

1243411124431 is an equidigital number, since it uses as much as digits as its factorization.

1243411124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707690141.

The product of its digits is 9216, while the sum is 31.

Adding to 1243411124431 its reverse (1344211143421), we get a palindrome (2587622267852).

The spelling of 1243411124431 in words is "one trillion, two hundred forty-three billion, four hundred eleven million, one hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 7 251 1757 707689883 4953829181 177630160633 1243411124431