Search a number
-
+
1530002053241 = 2817775429833
BaseRepresentation
bin10110010000111011001…
…110101001100001111001
312102021012110210100121122
4112100323032221201321
5200031421011200431
63130512341515025
7215352606605354
oct26207316514171
95367173710548
101530002053241
1153a9632aa012
12208636712a75
13b138104a12c
14540a408b29b
1529beb27ba7b
hex1643b3a9879

1530002053241 has 4 divisors (see below), whose sum is σ = 1530007764852. Its totient is φ = 1529996341632.

The previous prime is 1530002053219. The next prime is 1530002053273. The reversal of 1530002053241 is 1423502000351.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1454366052841 + 75636000400 = 1205971^2 + 275020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1530002053241 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 1530002053241.

It is not an unprimeable number, because it can be changed into a prime (1530002053211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433140 + ... + 2996693.

It is an arithmetic number, because the mean of its divisors is an integer number (382501941213).

Almost surely, 21530002053241 is an apocalyptic number.

It is an amenable number.

1530002053241 is a deficient number, since it is larger than the sum of its proper divisors (5711611).

1530002053241 is an equidigital number, since it uses as much as digits as its factorization.

1530002053241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711610.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1530002053241 its reverse (1423502000351), we get a palindrome (2953504053592).

The spelling of 1530002053241 in words is "one trillion, five hundred thirty billion, two million, fifty-three thousand, two hundred forty-one".

Divisors: 1 281777 5429833 1530002053241