Search a number
-
+
300031013122 = 2150015506561
BaseRepresentation
bin1000101110110110011…
…11011111000100000010
31001200102200021122202021
410113123033133010002
514403430414404442
6345455441512054
730451022350531
oct4273317370402
91050380248667
10300031013122
11106273759985
124a19394262a
13223a6399a79
14107432d6318
157c10287e67
hex45db3df102

300031013122 has 4 divisors (see below), whose sum is σ = 450046519686. Its totient is φ = 150015506560.

The previous prime is 300031013059. The next prime is 300031013143. The reversal of 300031013122 is 221310130003.

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

It can be written as a sum of positive squares in only one way, i.e., 248443430481 + 51587582641 = 498441^2 + 227129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 300031013096 and 300031013105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75007753279 + ... + 75007753282.

Almost surely, 2300031013122 is an apocalyptic number.

300031013122 is a deficient number, since it is larger than the sum of its proper divisors (150015506564).

300031013122 is a wasteful number, since it uses less digits than its factorization.

300031013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150015506563.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 300031013122 its reverse (221310130003), we get a palindrome (521341143125).

The spelling of 300031013122 in words is "three hundred billion, thirty-one million, thirteen thousand, one hundred twenty-two".

Divisors: 1 2 150015506561 300031013122