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89675647040 = 265740033771
BaseRepresentation
bin101001110000100010…
…1011100100001000000
322120110122112212111202
41103201011130201000
52432123431201130
6105110232200332
76323150265050
oct1234105344100
9276418485452
1089675647040
11350386239a1
12154682390a8
1385c1878955
1444a9bc9560
1524ecb5c145
hex14e115c840

89675647040 has 56 divisors (see below), whose sum is σ = 244045874112. Its totient is φ = 30745935360.

The previous prime is 89675647027. The next prime is 89675647109. The reversal of 89675647040 is 4074657698.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20014646 + ... + 20019125.

Almost surely, 289675647040 is an apocalyptic number.

89675647040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89675647040 is an abundant number, since it is smaller than the sum of its proper divisors (154370227072).

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

89675647040 is a wasteful number, since it uses less digits than its factorization.

89675647040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40033795 (or 40033785 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 89675647040 in words is "eighty-nine billion, six hundred seventy-five million, six hundred forty-seven thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 40033771 80067542 160135084 200168855 280236397 320270168 400337710 560472794 640540336 800675420 1120945588 1281080672 1401181985 1601350840 2241891176 2562161344 2802363970 3202701680 4483782352 5604727940 6405403360 8967564704 11209455880 12810806720 17935129408 22418911760 44837823520 89675647040