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8719738540 = 225435986927
BaseRepresentation
bin10000001111011110…
…01010011010101100
3211111200201121120021
420013233022122230
5120324223113130
64001130131524
7426040361152
oct100757123254
924450647507
108719738540
113775079697
121834280ba4
13a8c6a3906
145ca0dd3d2
153607bb37a
hex207bca6ac

8719738540 has 12 divisors (see below), whose sum is σ = 18311450976. Its totient is φ = 3487895408.

The previous prime is 8719738537. The next prime is 8719738567. The reversal of 8719738540 is 458379178.

8719738540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×87197385402 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 217993444 + ... + 217993483.

It is an arithmetic number, because the mean of its divisors is an integer number (1525954248).

Almost surely, 28719738540 is an apocalyptic number.

It is an amenable number.

8719738540 is an abundant number, since it is smaller than the sum of its proper divisors (9591712436).

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

8719738540 is a wasteful number, since it uses less digits than its factorization.

8719738540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435986936 (or 435986934 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 8719738540 is about 93379.5402644498. The cubic root of 8719738540 is about 2058.2643611034.

It can be divided in two parts, 8719738 and 540, that added together give a palindrome (8720278).

The spelling of 8719738540 in words is "eight billion, seven hundred nineteen million, seven hundred thirty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 435986927 871973854 1743947708 2179934635 4359869270 8719738540