Search a number
-
+
30850902037 = 47719245101
BaseRepresentation
bin11100101110110110…
…110110100000010101
32221122001102012112101
4130232312312200111
51001140312331122
622101145522101
72141341224544
oct345666664025
987561365471
1030850902037
11120a159135a
125b8baa3331
132ba875ab27
1416c946415b
15c086a8027
hex72edb6815

30850902037 has 8 divisors (see below), whose sum is σ = 31951072512. Its totient is φ = 29769222000.

The previous prime is 30850902029. The next prime is 30850902083. The reversal of 30850902037 is 73020905803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30850902037 - 23 = 30850902029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30850901987 and 30850902005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30850902007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4619214 + ... + 4625887.

It is an arithmetic number, because the mean of its divisors is an integer number (3993884064).

Almost surely, 230850902037 is an apocalyptic number.

It is an amenable number.

30850902037 is a deficient number, since it is larger than the sum of its proper divisors (1100170475).

30850902037 is an equidigital number, since it uses as much as digits as its factorization.

30850902037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245219.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 30850902037 in words is "thirty billion, eight hundred fifty million, nine hundred two thousand, thirty-seven".

Divisors: 1 47 71 3337 9245101 434519747 656402171 30850902037