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89341509640 = 23517419313567
BaseRepresentation
bin101001100110100101…
…0110100000000001000
322112121100210221011111
41103031022310000020
52430432411302030
6105013134340104
76311652205405
oct1231512640010
9275540727144
1089341509640
1134986a53589
121539435a634
13856a587906
14447768b2ac
1524cd65862a
hex14cd2b4008

89341509640 has 64 divisors (see below), whose sum is σ = 213351667200. Its totient is φ = 33554070528.

The previous prime is 89341509637. The next prime is 89341509679. The reversal of 89341509640 is 4690514398.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 128137 + ... + 441703.

It is an arithmetic number, because the mean of its divisors is an integer number (3333619800).

Almost surely, 289341509640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89341509640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106675833600).

89341509640 is an abundant number, since it is smaller than the sum of its proper divisors (124010157560).

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

89341509640 is a wasteful number, since it uses less digits than its factorization.

89341509640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314014 (or 314010 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 89341509640 in words is "eighty-nine billion, three hundred forty-one million, five hundred nine thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 419 680 838 1676 2095 3352 4190 7123 8380 14246 16760 28492 35615 56984 71230 142460 284920 313567 627134 1254268 1567835 2508536 3135670 5330639 6271340 10661278 12542680 21322556 26653195 42645112 53306390 106612780 131384573 213225560 262769146 525538292 656922865 1051076584 1313845730 2233537741 2627691460 4467075482 5255382920 8934150964 11167688705 17868301928 22335377410 44670754820 89341509640