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20304500552 = 237536841139
BaseRepresentation
bin10010111010001111…
…100001011101001000
31221102001111111110222
4102322033201131020
5313040423004202
613154443525212
71316110256420
oct227217413510
957361444428
1020304500552
11867a3a7876
123b27b29808
131bb77c008b
14da890b480
157dc8684a2
hex4ba3e1748

20304500552 has 32 divisors (see below), whose sum is σ = 44330587200. Its totient is φ = 8537740224.

The previous prime is 20304500483. The next prime is 20304500599. The reversal of 20304500552 is 25500540302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3417602 + ... + 3423537.

It is an arithmetic number, because the mean of its divisors is an integer number (1385330850).

Almost surely, 220304500552 is an apocalyptic number.

It is an amenable number.

20304500552 is an abundant number, since it is smaller than the sum of its proper divisors (24026086648).

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

20304500552 is a wasteful number, since it uses less digits than its factorization.

20304500552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841205 (or 6841201 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 20304500552 in words is "twenty billion, three hundred four million, five hundred thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 6841139 13682278 27364556 47887973 54729112 95775946 191551892 362580367 383103784 725160734 1450321468 2538062569 2900642936 5076125138 10152250276 20304500552