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30031714286 = 2713687156727
BaseRepresentation
bin11011111110000001…
…111001011111101110
32212111221222011012022
4123332001321133232
5443001104324121
621444003510142
72112133234220
oct337601713756
985457864168
1030031714286
1111811135492
1259a1688352
132aa7b1a452
14164c742410
15bab7e0aab
hex6fe0797ee

30031714286 has 16 divisors (see below), whose sum is σ = 51487028736. Its totient is φ = 12869712216.

The previous prime is 30031714277. The next prime is 30031714301. The reversal of 30031714286 is 68241713003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113255 + ... + 269981.

It is an arithmetic number, because the mean of its divisors is an integer number (3217939296).

Almost surely, 230031714286 is an apocalyptic number.

30031714286 is a deficient number, since it is larger than the sum of its proper divisors (21455314450).

30031714286 is a wasteful number, since it uses less digits than its factorization.

30031714286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170423.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 30031714286 in words is "thirty billion, thirty-one million, seven hundred fourteen thousand, two hundred eighty-six".

Divisors: 1 2 7 14 13687 27374 95809 156727 191618 313454 1097089 2194178 2145122449 4290244898 15015857143 30031714286