Search a number
-
+
300143031730 = 25191579700167
BaseRepresentation
bin1000101111000011110…
…10110011010110110010
31001200201111001210101121
410113201322303112302
514404143104003410
6345514522452454
730453552450433
oct4274172632662
91050644053347
10300143031730
11106320a0a143
124a20536412a
13223c365ab79
141075413548a
157c1a0139da
hex45e1eb35b2

300143031730 has 16 divisors (see below), whose sum is σ = 568692060480. Its totient is φ = 113738411952.

The previous prime is 300143031703. The next prime is 300143031731. The reversal of 300143031730 is 37130341003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 300143031695 and 300143031704.

It is not an unprimeable number, because it can be changed into a prime (300143031731) 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, 789849894 + ... + 789850273.

It is an arithmetic number, because the mean of its divisors is an integer number (35543253780).

Almost surely, 2300143031730 is an apocalyptic number.

300143031730 is a deficient number, since it is larger than the sum of its proper divisors (268549028750).

300143031730 is a wasteful number, since it uses less digits than its factorization.

300143031730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579700193.

The product of its (nonzero) digits is 2268, while the sum is 25.

Adding to 300143031730 its reverse (37130341003), we get a palindrome (337273372733).

The spelling of 300143031730 in words is "three hundred billion, one hundred forty-three million, thirty-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1579700167 3159400334 7898500835 15797001670 30014303173 60028606346 150071515865 300143031730