Search a number
-
+
1535241120145 = 51718061660237
BaseRepresentation
bin10110010101110011100…
…000000110100110010001
312102202201121000112022121
4112111303200012212101
5200123133211321040
63133140253134241
7215626464131035
oct26256340064621
95382647015277
101535241120145
11542101652577
1220965918a381
13b1a07590c15
145443dbc01c5
1529e061a7c4a
hex16573806991

1535241120145 has 8 divisors (see below), whose sum is σ = 1950659305704. Its totient is φ = 1155946255104.

The previous prime is 1535241120143. The next prime is 1535241120157. The reversal of 1535241120145 is 5410211425351.

It can be written as a sum of positive squares in 4 ways, for example, as 47387629969 + 1487853490176 = 217687^2 + 1219776^2 .

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 1535241120145 - 21 = 1535241120143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1535241120145.

It is not an unprimeable number, because it can be changed into a prime (1535241120143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9030830034 + ... + 9030830203.

It is an arithmetic number, because the mean of its divisors is an integer number (243832413213).

Almost surely, 21535241120145 is an apocalyptic number.

It is an amenable number.

1535241120145 is a deficient number, since it is larger than the sum of its proper divisors (415418185559).

1535241120145 is a wasteful number, since it uses less digits than its factorization.

1535241120145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061660259.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 1535241120145 its reverse (5410211425351), we get a palindrome (6945452545496).

The spelling of 1535241120145 in words is "one trillion, five hundred thirty-five billion, two hundred forty-one million, one hundred twenty thousand, one hundred forty-five".

Divisors: 1 5 17 85 18061660237 90308301185 307048224029 1535241120145