Search a number
-
+
30783408366 = 238396115099
BaseRepresentation
bin11100101010110101…
…011000100011101110
32221110100102011121210
4130222311120203232
51001021023031431
622050335135250
72136561440154
oct345265304356
987410364553
1030783408366
1112067482367
125b71374526
132b97789049
1416c04d53d4
15c027c4d46
hex72ad588ee

30783408366 has 16 divisors (see below), whose sum is σ = 61640208000. Its totient is φ = 10248904248.

The previous prime is 30783408361. The next prime is 30783408367. The reversal of 30783408366 is 66380438703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30783408361) 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, 3052516 + ... + 3062583.

It is an arithmetic number, because the mean of its divisors is an integer number (3852513000).

Almost surely, 230783408366 is an apocalyptic number.

30783408366 is an abundant number, since it is smaller than the sum of its proper divisors (30856799634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30783408366 is a wasteful number, since it uses less digits than its factorization.

30783408366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115943.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 30783408366 in words is "thirty billion, seven hundred eighty-three million, four hundred eight thousand, three hundred sixty-six".

Divisors: 1 2 3 6 839 1678 2517 5034 6115099 12230198 18345297 36690594 5130568061 10261136122 15391704183 30783408366