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15241809442 = 217448288513
BaseRepresentation
bin11100011000111101…
…11000111000100010
31110100020011010212211
432030132320320202
5222203400400232
611000232512334
71046464146136
oct161436707042
943306133784
1015241809442
116511671032
122b5454b6aa
13158b981672
14a483ab3c6
155e317ba47
hex38c7b8e22

15241809442 has 8 divisors (see below), whose sum is σ = 24207579756. Its totient is φ = 7172616192.

The previous prime is 15241809421. The next prime is 15241809467. The reversal of 15241809442 is 24490814251.

15241809442 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 12049672441 + 3192137001 = 109771^2 + 56499^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 15241809395 and 15241809404.

It is an unprimeable number.

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, 224144223 + ... + 224144290.

Almost surely, 215241809442 is an apocalyptic number.

15241809442 is a deficient number, since it is larger than the sum of its proper divisors (8965770314).

15241809442 is a wasteful number, since it uses less digits than its factorization.

15241809442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448288532.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 15241809442 in words is "fifteen billion, two hundred forty-one million, eight hundred nine thousand, four hundred forty-two".

Divisors: 1 2 17 34 448288513 896577026 7620904721 15241809442