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89466973520 = 2451958859851
BaseRepresentation
bin101001101010010100…
…1011010110101010000
322112221002220011020212
41103110221122311100
52431212021123040
6105033415423252
76315034504331
oct1232451326520
9275832804225
1089466973520
1134a40857441
121540a384b28
13858a5757b2
14448a1ca288
1524d968cd65
hex14d4a5ad50

89466973520 has 40 divisors (see below), whose sum is σ = 218958649440. Its totient is φ = 33903273600.

The previous prime is 89466973481. The next prime is 89466973523. The reversal of 89466973520 is 2537966498.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 89466973520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89466973523) by changing a digit.

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, 29428406 + ... + 29431445.

It is an arithmetic number, because the mean of its divisors is an integer number (5473966236).

Almost surely, 289466973520 is an apocalyptic number.

89466973520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89466973520 is an abundant number, since it is smaller than the sum of its proper divisors (129491675920).

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

89466973520 is a wasteful number, since it uses less digits than its factorization.

89466973520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58859883 (or 58859877 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 89466973520 in words is "eighty-nine billion, four hundred sixty-six million, nine hundred seventy-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 58859851 117719702 235439404 294299255 470878808 588598510 941757616 1118337169 1177197020 2236674338 2354394040 4473348676 4708788080 5591685845 8946697352 11183371690 17893394704 22366743380 44733486760 89466973520