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89712703840 = 255560704399
BaseRepresentation
bin101001110001101001…
…0110011100101100000
322120120020021112212211
41103203102303211200
52432212423010330
6105114034331504
76324110254264
oct1234322634540
9276506245784
1089712703840
1135057534251
1215478729b94
1385c9451956
1444b0ab40a4
15250102bd2a
hex14e34b3960

89712703840 has 24 divisors (see below), whose sum is σ = 211946263200. Its totient is φ = 35885081472.

The previous prime is 89712703831. The next prime is 89712703853. The reversal of 89712703840 is 4830721798.

It is a congruent number.

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, 280352040 + ... + 280352359.

It is an arithmetic number, because the mean of its divisors is an integer number (8831094300).

Almost surely, 289712703840 is an apocalyptic number.

89712703840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89712703840 is an abundant number, since it is smaller than the sum of its proper divisors (122233559360).

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

89712703840 is a wasteful number, since it uses less digits than its factorization.

89712703840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560704414 (or 560704406 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 89712703840 in words is "eighty-nine billion, seven hundred twelve million, seven hundred three thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 560704399 1121408798 2242817596 2803521995 4485635192 5607043990 8971270384 11214087980 17942540768 22428175960 44856351920 89712703840