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6889143009312 = 2532170913996861
BaseRepresentation
bin110010001000000000011…
…1011000000000000100000
3220101121002012222100210100
41210100000323000000200
51400332431102244222
622352454551302400
71310503246251504
oct144200073000040
926347065870710
106889143009312
11221673a6a1473
129331b407aa00
133ac849713555
1419b6172d0304
15be3082734ac
hex64400ec0020

6889143009312 has 72 divisors (see below), whose sum is σ = 19602465262380. Its totient is φ = 2295037140480.

The previous prime is 6889143009271. The next prime is 6889143009313. The reversal of 6889143009312 is 2139003419886.

6889143009312 is a `hidden beast` number, since 6 + 8 + 8 + 9 + 14 + 300 + 9 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5475431521296 + 1413711488016 = 2339964^2 + 1188996^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (6889143009313) 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, 6506239 + ... + 7490622.

Almost surely, 26889143009312 is an apocalyptic number.

It is an amenable number.

6889143009312 is an abundant number, since it is smaller than the sum of its proper divisors (12713322253068).

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

6889143009312 is a wasteful number, since it uses less digits than its factorization.

6889143009312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998586 (or 13998575 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 6889143009312 in words is "six trillion, eight hundred eighty-nine billion, one hundred forty-three million, nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1709 3418 5127 6836 10254 13672 15381 20508 27344 30762 41016 54688 61524 82032 123048 164064 246096 492192 13996861 27993722 41990583 55987444 83981166 111974888 125971749 167962332 223949776 251943498 335924664 447899552 503886996 671849328 1007773992 1343698656 2015547984 4031095968 23920635449 47841270898 71761906347 95682541796 143523812694 191365083592 215285719041 287047625388 382730167184 430571438082 574095250776 765460334368 861142876164 1148190501552 1722285752328 2296381003104 3444571504656 6889143009312