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5043102421 = 7720443203
BaseRepresentation
bin1001011001001011…
…11010001011010101
3111000110111010222011
410230211322023111
540312013234141
62152231104221
7235654443340
oct45445721325
914013433864
105043102421
112158777545
12b88b12071
13624a70596
1435bac1457
151e7b1c881
hex12c97a2d5

5043102421 has 4 divisors (see below), whose sum is σ = 5763545632. Its totient is φ = 4322659212.

The previous prime is 5043102419. The next prime is 5043102437. The reversal of 5043102421 is 1242013405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1242013405 = 5248402681.

It is a cyclic number.

It is not a de Polignac number, because 5043102421 - 21 = 5043102419 is a prime.

It is a super-2 number, since 2×50431024212 = 50865764057392122482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5043102392 and 5043102401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5043102451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360221595 + ... + 360221608.

It is an arithmetic number, because the mean of its divisors is an integer number (1440886408).

Almost surely, 25043102421 is an apocalyptic number.

It is an amenable number.

5043102421 is a deficient number, since it is larger than the sum of its proper divisors (720443211).

5043102421 is an equidigital number, since it uses as much as digits as its factorization.

5043102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720443210.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5043102421 is about 71014.8042382713. The cubic root of 5043102421 is about 1714.8755015631.

Adding to 5043102421 its reverse (1242013405), we get a palindrome (6285115826).

The spelling of 5043102421 in words is "five billion, forty-three million, one hundred two thousand, four hundred twenty-one".

Divisors: 1 7 720443203 5043102421