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15544401041 = 132941231833
BaseRepresentation
bin11100111101000010…
…01011110010010001
31111010022112101112002
432132201023302101
5223313331313131
611050242243345
71060130141321
oct163641136221
944108471462
1015544401041
116657455634
123019956555
131609578c50
14a76657281
1560e9ed6cb
hex39e84bc91

15544401041 has 8 divisors (see below), whose sum is σ = 17317370280. Its totient is φ = 13853895552.

The previous prime is 15544401031. The next prime is 15544401043. The reversal of 15544401041 is 14010444551.

15544401041 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 4 ways, for example, as 286963600 + 15257437441 = 16940^2 + 123521^2 .

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 15544401041 - 214 = 15544384657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15544400995 and 15544401013.

It is not an unprimeable number, because it can be changed into a prime (15544401043) 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 7 ways as a sum of consecutive naturals, for example, 20615540 + ... + 20616293.

It is an arithmetic number, because the mean of its divisors is an integer number (2164671285).

Almost surely, 215544401041 is an apocalyptic number.

It is an amenable number.

15544401041 is a deficient number, since it is larger than the sum of its proper divisors (1772969239).

15544401041 is a wasteful number, since it uses less digits than its factorization.

15544401041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41231875.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 15544401041 its reverse (14010444551), we get a palindrome (29554845592).

The spelling of 15544401041 in words is "fifteen billion, five hundred forty-four million, four hundred one thousand, forty-one".

Divisors: 1 13 29 377 41231833 536013829 1195723157 15544401041