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30143200478 = 23710711713251
BaseRepresentation
bin11100000100101011…
…001011110011011110
32212210201202020111112
4130010223023303132
5443213124403403
621503025222022
72114655655646
oct340453136336
985721666445
1030143200478
1111869061736
125a12a91912
132ac4c53101
14165d483526
15bb64b39d8
hex704acbcde

30143200478 has 32 divisors (see below), whose sum is σ = 46925267328. Its totient is φ = 14510340000.

The previous prime is 30143200453. The next prime is 30143200481. The reversal of 30143200478 is 87400234103.

It is a super-2 number, since 2×301432004782 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9270353 + ... + 9273603.

It is an arithmetic number, because the mean of its divisors is an integer number (1466414604).

Almost surely, 230143200478 is an apocalyptic number.

30143200478 is a deficient number, since it is larger than the sum of its proper divisors (16782066850).

30143200478 is a wasteful number, since it uses less digits than its factorization.

30143200478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 30143200478 in words is "thirty billion, one hundred forty-three million, two hundred thousand, four hundred seventy-eight".

Divisors: 1 2 37 74 107 214 1171 2342 3251 3959 6502 7918 43327 86654 120287 125297 240574 250594 347857 695714 3806921 4635989 7613842 9271978 12870709 25741418 140856077 281712154 407340547 814681094 15071600239 30143200478