Search a number
-
+
30023441141 = 179371884829
BaseRepresentation
bin11011111101100010…
…010101101011110101
32212111101101211120112
4123331202111223311
5442442000104031
621443110312405
72112003016241
oct337542255365
985441354515
1030023441141
11118074a4781
12599a958705
132aa61b18b5
14164b5cb421
15baac0962b
hex6fd895af5

30023441141 has 8 divisors (see below), whose sum is σ = 31823469720. Its totient is φ = 28227184128.

The previous prime is 30023441111. The next prime is 30023441143. The reversal of 30023441141 is 14114432003.

It can be written as a sum of positive squares in 4 ways, for example, as 110355025 + 29913086116 = 10505^2 + 172954^2 .

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 30023441141 - 222 = 30019246837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023441143) 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, 926486 + ... + 958343.

It is an arithmetic number, because the mean of its divisors is an integer number (3977933715).

Almost surely, 230023441141 is an apocalyptic number.

It is an amenable number.

30023441141 is a deficient number, since it is larger than the sum of its proper divisors (1800028579).

30023441141 is a wasteful number, since it uses less digits than its factorization.

30023441141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885783.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30023441141 its reverse (14114432003), we get a palindrome (44137873144).

The spelling of 30023441141 in words is "thirty billion, twenty-three million, four hundred forty-one thousand, one hundred forty-one".

Divisors: 1 17 937 15929 1884829 32042093 1766084773 30023441141