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6802145985 = 351019445021
BaseRepresentation
bin1100101010111000…
…01000001011000001
3122120001102211002210
412111130020023001
5102412322132420
63042545332333
7330364200255
oct62534101301
918501384083
106802145985
1129806a7a58
12139a0370a9
1384532066b
14487576265
1529c2859e0
hex1957082c1

6802145985 has 16 divisors (see below), whose sum is σ = 10894138560. Its totient is φ = 3624242880.

The previous prime is 6802145969. The next prime is 6802146007. The reversal of 6802145985 is 5895412086.

6802145985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6802145985 - 24 = 6802145969 is a prime.

It is a Curzon 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, 207226 + ... + 237795.

It is an arithmetic number, because the mean of its divisors is an integer number (680883660).

Almost surely, 26802145985 is an apocalyptic number.

It is an amenable number.

6802145985 is a deficient number, since it is larger than the sum of its proper divisors (4091992575).

6802145985 is a wasteful number, since it uses less digits than its factorization.

6802145985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446048.

The product of its (nonzero) digits is 691200, while the sum is 48.

The square root of 6802145985 is about 82475.1234312505. The cubic root of 6802145985 is about 1894.7357498249.

The spelling of 6802145985 in words is "six billion, eight hundred two million, one hundred forty-five thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 1019 3057 5095 15285 445021 1335063 2225105 6675315 453476399 1360429197 2267381995 6802145985