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6889387982 = 231421263941
BaseRepresentation
bin1100110101010001…
…11011011111001110
3122210010121011121212
412122220323133032
5103102140403412
63055343254422
7332503555151
oct63250733716
918703534555
106889387982
112a15975184
1214032aa412
1385a418149
14494da5c98
152a4c6a222
hex19aa3b7ce

6889387982 has 16 divisors (see below), whose sum is σ = 10692818304. Its totient is φ = 3325644000.

The previous prime is 6889387969. The next prime is 6889388017. The reversal of 6889387982 is 2897839886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105869 + ... + 158072.

It is an arithmetic number, because the mean of its divisors is an integer number (668301144).

Almost surely, 26889387982 is an apocalyptic number.

6889387982 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6889387982 is a deficient number, since it is larger than the sum of its proper divisors (3803430322).

6889387982 is a wasteful number, since it uses less digits than its factorization.

6889387982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264395.

The product of its digits is 83607552, while the sum is 68.

The square root of 6889387982 is about 83002.3372080570. The cubic root of 6889387982 is about 1902.8017742709.

The spelling of 6889387982 in words is "six billion, eight hundred eighty-nine million, three hundred eighty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 31 62 421 842 13051 26102 263941 527882 8182171 16364342 111119161 222238322 3444693991 6889387982