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30020033218 = 2713931149603
BaseRepresentation
bin11011111101010101…
…010101101011000010
32212111010222200210011
4123331111111223002
5442440112030333
621442505255134
72111632033510
oct337525255302
985433880704
1030020033218
111180558730a
1259997944aa
132aa558a686
14164ad814b0
15baa7849cd
hex6fd555ac2

30020033218 has 32 divisors (see below), whose sum is σ = 52000865280. Its totient is φ = 12731841360.

The previous prime is 30020033207. The next prime is 30020033221. The reversal of 30020033218 is 81233002003.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580405 + ... + 630007.

It is an arithmetic number, because the mean of its divisors is an integer number (1625027040).

Almost surely, 230020033218 is an apocalyptic number.

30020033218 is a deficient number, since it is larger than the sum of its proper divisors (21980832062).

30020033218 is a wasteful number, since it uses less digits than its factorization.

30020033218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50062.

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 30020033218 in words is "thirty billion, twenty million, thirty-three thousand, two hundred eighteen".

Divisors: 1 2 7 14 139 278 311 622 973 1946 2177 4354 43229 49603 86458 99206 302603 347221 605206 694442 6894817 13789634 15426533 30853066 48263719 96527438 107985731 215971462 2144288087 4288576174 15010016609 30020033218