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8520207042 = 23379724079
BaseRepresentation
bin1111110111101100…
…00000101011000010
3210222210021100210210
413323312000223002
5114422133111132
63525241334550
7421065364524
oct77366005302
923883240723
108520207042
113682486726
121799497456
13a5a251939
145ab7dda14
1534d005bcc
hex1fbd80ac2

8520207042 has 48 divisors (see below), whose sum is σ = 17687583360. Its totient is φ = 2734152192.

The previous prime is 8520207029. The next prime is 8520207053. The reversal of 8520207042 is 2407020258.

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 23 ways as a sum of consecutive naturals, for example, 2086759 + ... + 2090837.

It is an arithmetic number, because the mean of its divisors is an integer number (368491320).

Almost surely, 28520207042 is an apocalyptic number.

8520207042 is an abundant number, since it is smaller than the sum of its proper divisors (9167376318).

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

8520207042 is a wasteful number, since it uses less digits than its factorization.

8520207042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 8520207042 is about 92304.9675911324. The cubic root of 8520207042 is about 2042.4434902494.

The spelling of 8520207042 in words is "eight billion, five hundred twenty million, two hundred seven thousand, forty-two".

Divisors: 1 2 3 6 37 74 97 111 194 222 291 582 3589 4079 7178 8158 9409 10767 12237 18818 21534 24474 28227 56454 150923 301846 348133 395663 452769 696266 791326 905538 1044399 1186989 2088798 2373978 14639531 29279062 38379311 43918593 76758622 87837186 115137933 230275866 1420034507 2840069014 4260103521 8520207042