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88920784896 = 21533129179
BaseRepresentation
bin101001011010000010…
…1111000000000000000
322111112001010220022120
41102310011320000000
52424102210104041
6104503305004240
76265353125556
oct1226405700000
9274461126276
1088920784896
1134790512889
1215297483680
13850136b068
14443784dbd6
1524a674e366
hex14b4178000

88920784896 has 128 divisors (see below), whose sum is σ = 244775846400. Its totient is φ = 28683141120.

The previous prime is 88920784879. The next prime is 88920784907. The reversal of 88920784896 is 69848702988.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 88920784896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3032835 + ... + 3062013.

It is an arithmetic number, because the mean of its divisors is an integer number (1912311300).

Almost surely, 288920784896 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 88920784896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122387923200).

88920784896 is an abundant number, since it is smaller than the sum of its proper divisors (155855061504).

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

88920784896 is an equidigital number, since it uses as much as digits as its factorization.

88920784896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29243 (or 29215 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 69.

The spelling of 88920784896 in words is "eighty-eight billion, nine hundred twenty million, seven hundred eighty-four thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 128 186 192 248 256 372 384 496 512 744 768 992 1024 1488 1536 1984 2048 2976 3072 3968 4096 5952 6144 7936 8192 11904 12288 15872 16384 23808 24576 29179 31744 32768 47616 49152 58358 63488 87537 95232 98304 116716 126976 175074 190464 233432 253952 350148 380928 466864 507904 700296 761856 904549 933728 1015808 1400592 1523712 1809098 1867456 2713647 2801184 3047424 3618196 3734912 5427294 5602368 7236392 7469824 10854588 11204736 14472784 14939648 21709176 22409472 28945568 29879296 43418352 44818944 57891136 59758592 86836704 89637888 115782272 119517184 173673408 179275776 231564544 239034368 347346816 358551552 463129088 478068736 694693632 717103104 926258176 956137472 1389387264 1434206208 1852516352 2778774528 2868412416 3705032704 5557549056 7410065408 11115098112 14820130816 22230196224 29640261632 44460392448 88920784896