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5144010021 = 322381240049
BaseRepresentation
bin1001100101001101…
…10101110100100101
3111021111100210011200
410302212311310211
541013331310041
62210233553113
7241321235523
oct46246656445
914244323150
105144010021
1121aa728957
12bb6875799
1363c941217
1436b26b313
152019011b6
hex1329b5d25

5144010021 has 12 divisors (see below), whose sum is σ = 7433388300. Its totient is φ = 3427885440.

The previous prime is 5144009963. The next prime is 5144010061. The reversal of 5144010021 is 1200104415.

It can be written as a sum of positive squares in 2 ways, for example, as 1179922500 + 3964087521 = 34350^2 + 62961^2 .

It is not a de Polignac number, because 5144010021 - 29 = 5144009509 is a prime.

It is a super-2 number, since 2×51440100212 = 52921678192296840882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5144009976 and 5144010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144010061) 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 11 ways as a sum of consecutive naturals, for example, 98596 + ... + 141453.

It is an arithmetic number, because the mean of its divisors is an integer number (619449025).

Almost surely, 25144010021 is an apocalyptic number.

It is an amenable number.

5144010021 is a deficient number, since it is larger than the sum of its proper divisors (2289378279).

5144010021 is a wasteful number, since it uses less digits than its factorization.

5144010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242436 (or 242433 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 5144010021 is about 71721.7541684530. The cubic root of 5144010021 is about 1726.2377193885.

Adding to 5144010021 its reverse (1200104415), we get a palindrome (6344114436).

The spelling of 5144010021 in words is "five billion, one hundred forty-four million, ten thousand, twenty-one".

Divisors: 1 3 9 2381 7143 21429 240049 720147 2160441 571556669 1714670007 5144010021