Search a number
-
+
30502250537 = 112772931867
BaseRepresentation
bin11100011010000100…
…110110100000101001
32220201202100212120212
4130122010312200221
5444432034004122
622002413030505
72126605565063
oct343204664051
986652325525
1030502250537
1111a327a8320
125ab3185435
132b51457675
141695028733
15bd7c88ce2
hex71a136829

30502250537 has 4 divisors (see below), whose sum is σ = 33275182416. Its totient is φ = 27729318660.

The previous prime is 30502250531. The next prime is 30502250539. The reversal of 30502250537 is 73505220503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30502250537 - 212 = 30502246441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30502250531) 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, 1386465923 + ... + 1386465944.

It is an arithmetic number, because the mean of its divisors is an integer number (8318795604).

Almost surely, 230502250537 is an apocalyptic number.

It is an amenable number.

30502250537 is a deficient number, since it is larger than the sum of its proper divisors (2772931879).

30502250537 is a wasteful number, since it uses less digits than its factorization.

30502250537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772931878.

The product of its (nonzero) digits is 31500, while the sum is 32.

The spelling of 30502250537 in words is "thirty billion, five hundred two million, two hundred fifty thousand, five hundred thirty-seven".

Divisors: 1 11 2772931867 30502250537