30256100452 has 6 divisors (see below), whose sum is σ = 52948175798. Its totient is φ = 15128050224.

The previous prime is 30256100443. The next prime is 30256100453. The reversal of 30256100452 is 25400165203.

It can be written as a sum of positive squares in only one way, i.e., 27900357156 + 2355743296 = 167034^2 + 48536^2 .

It is a super-2 number, since 2×30256100452² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30256100452.

It is not an unprimeable number, because it can be changed into a prime (30256100453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3782012553 + ... + 3782012560.

Almost surely, 2^30256100452 is an apocalyptic number.

It is an amenable number.

30256100452 is a deficient number, since it is larger than the sum of its proper divisors (22692075346).

30256100452 is a wasteful number, since it uses less digits than its factorization.

30256100452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564025117 (or 7564025115 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 30256100452 its reverse (25400165203), we get a palindrome (55656265655).

The spelling of 30256100452 in words is "thirty billion, two hundred fifty-six million, one hundred thousand, four hundred fifty-two".