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305130210748 = 22116934777517
BaseRepresentation
bin1000111000010110010…
…11011000010110111100
31002011121001022201212121
410130023023120112330
514444401313220443
6352101435212324
731021260666106
oct4341313302674
91064531281777
10305130210748
1110845005a5a0
124b1775a70a4
1322a0994ab7c
1410aa861a576
157e0cc864ed
hex470b2d85bc

305130210748 has 12 divisors (see below), whose sum is σ = 582521311512. Its totient is φ = 138695550320.

The previous prime is 305130210743. The next prime is 305130210757. The reversal of 305130210748 is 847012031503.

It is a super-2 number, since 2×3051302107482 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305130210743) 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 3 ways as a sum of consecutive naturals, for example, 3467388715 + ... + 3467388802.

It is an arithmetic number, because the mean of its divisors is an integer number (48543442626).

Almost surely, 2305130210748 is an apocalyptic number.

It is an amenable number.

305130210748 is a deficient number, since it is larger than the sum of its proper divisors (277391100764).

305130210748 is a wasteful number, since it uses less digits than its factorization.

305130210748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934777532 (or 6934777530 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 305130210748 in words is "three hundred five billion, one hundred thirty million, two hundred ten thousand, seven hundred forty-eight".

Divisors: 1 2 4 11 22 44 6934777517 13869555034 27739110068 76282552687 152565105374 305130210748