Search a number
-
+
30252105151 = 106328459177
BaseRepresentation
bin11100001011001010…
…100111110110111111
32220002022200011121221
4130023022213312333
5443424014331101
621521515334211
72120450436202
oct341312476677
986068604557
1030252105151
11119145853a4
125a43451367
132b11693a48
14166db11939
15bc0d26aa1
hex70b2a7dbf

30252105151 has 4 divisors (see below), whose sum is σ = 30280565392. Its totient is φ = 30223644912.

The previous prime is 30252105139. The next prime is 30252105167. The reversal of 30252105151 is 15150125203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15150125203 = 26647568549.

It is a cyclic number.

It is not a de Polignac number, because 30252105151 - 221 = 30250007999 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 (30252102151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14228526 + ... + 14230651.

It is an arithmetic number, because the mean of its divisors is an integer number (7570141348).

Almost surely, 230252105151 is an apocalyptic number.

30252105151 is a deficient number, since it is larger than the sum of its proper divisors (28460241).

30252105151 is a wasteful number, since it uses less digits than its factorization.

30252105151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460240.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 30252105151 in words is "thirty billion, two hundred fifty-two million, one hundred five thousand, one hundred fifty-one".

Divisors: 1 1063 28459177 30252105151