Search a number
-
+
30240400223 = 112249920663
BaseRepresentation
bin11100001010011101…
…111110001101011111
32220001111122111111002
4130022131332031133
5443413020301343
621520420420515
72120246106065
oct341235761537
986044574432
1030240400223
1111908a10300
125a3b54773b
132b0c126157
14166c346035
15bbecb38b8
hex70a77e35f

30240400223 has 6 divisors (see below), whose sum is σ = 33239448312. Its totient is φ = 27491272820.

The previous prime is 30240400147. The next prime is 30240400231. The reversal of 30240400223 is 32200404203.

It is not a de Polignac number, because 30240400223 - 214 = 30240383839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30240400195 and 30240400204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240400243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124960211 + ... + 124960452.

It is an arithmetic number, because the mean of its divisors is an integer number (5539908052).

Almost surely, 230240400223 is an apocalyptic number.

30240400223 is a deficient number, since it is larger than the sum of its proper divisors (2999048089).

30240400223 is a wasteful number, since it uses less digits than its factorization.

30240400223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249920685 (or 249920674 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 30240400223 its reverse (32200404203), we get a palindrome (62440804426).

The spelling of 30240400223 in words is "thirty billion, two hundred forty million, four hundred thousand, two hundred twenty-three".

Divisors: 1 11 121 249920663 2749127293 30240400223