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88509820032 = 2732103374377
BaseRepresentation
bin101001001101110011…
…0001010110010000000
322110110101211201111200
41102123212022302000
52422232003220112
6104354424341200
76252233025354
oct1223346126200
9273411751450
1088509820032
113459a5388a7
12151a1914800
13846718a99a
1443d9033464
152480621cdc
hex149b98ac80

88509820032 has 96 divisors (see below), whose sum is σ = 254946214380. Its totient is φ = 29474316288.

The previous prime is 88509820031. The next prime is 88509820037. The reversal of 88509820032 is 23002890588.

It can be written as a sum of positive squares in 2 ways, for example, as 88408696896 + 101123136 = 297336^2 + 10056^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 88509820032.

It is not an unprimeable number, because it can be changed into a prime (88509820031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1152828 + ... + 1227204.

Almost surely, 288509820032 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 88509820032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127473107190).

88509820032 is an abundant number, since it is smaller than the sum of its proper divisors (166436394348).

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

88509820032 is a wasteful number, since it uses less digits than its factorization.

88509820032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75430 (or 75415 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 88509820032 in words is "eighty-eight billion, five hundred nine million, eight hundred twenty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1033 1152 2066 3099 4132 6198 8264 9297 12396 16528 18594 24792 33056 37188 49584 66112 74376 74377 99168 132224 148752 148754 198336 223131 297504 297508 396672 446262 595008 595016 669393 892524 1190016 1190032 1338786 1785048 2380064 2677572 3570096 4760128 5355144 7140192 9520256 10710288 14280384 21420576 28560768 42841152 76831441 85682304 153662882 230494323 307325764 460988646 614651528 691482969 921977292 1229303056 1382965938 1843954584 2458606112 2765931876 3687909168 4917212224 5531863752 7375818336 9834424448 11063727504 14751636672 22127455008 29503273344 44254910016 88509820032