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5010124421 = 19213878461
BaseRepresentation
bin1001010101010000…
…00110111010000101
3110221011102200122202
410222220012322011
540230042440141
62145052204245
7235104232511
oct45250067205
913834380582
105010124421
1121410a26a5
12b79a69685
1361ac94c83
14357579141
151e4ca649b
hex12aa06e85

5010124421 has 6 divisors (see below), whose sum is σ = 5287694022. Its totient is φ = 4746433320.

The previous prime is 5010124381. The next prime is 5010124423. The reversal of 5010124421 is 1244210105.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3455793796 + 1554330625 = 58786^2 + 39425^2 .

It is a de Polignac number, because none of the positive numbers 2k-5010124421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5010124393 and 5010124402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5010124423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6938870 + ... + 6939591.

It is an arithmetic number, because the mean of its divisors is an integer number (881282337).

Almost surely, 25010124421 is an apocalyptic number.

It is an amenable number.

5010124421 is a deficient number, since it is larger than the sum of its proper divisors (277569601).

5010124421 is a wasteful number, since it uses less digits than its factorization.

5010124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878499 (or 13878480 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 5010124421 is about 70782.2323821452. The cubic root of 5010124421 is about 1711.1293362921.

Adding to 5010124421 its reverse (1244210105), we get a palindrome (6254334526).

The spelling of 5010124421 in words is "five billion, ten million, one hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 19 361 13878461 263690759 5010124421