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6806820364 = 2243110335879
BaseRepresentation
bin1100101011011011…
…11101011000001100
3122120101020022010221
412111231331120030
5102420021222424
63043233441124
7330452006221
oct62555753014
918511208127
106806820364
1129832aa983
12139b7101a4
13846299176
14488031948
1529c8aa9e4
hex195b7d60c

6806820364 has 24 divisors (see below), whose sum is σ = 12200348160. Its totient is φ = 3321154704.

The previous prime is 6806820341. The next prime is 6806820401. The reversal of 6806820364 is 4630286086.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 6806820364.

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, 171777 + ... + 207655.

It is an arithmetic number, because the mean of its divisors is an integer number (508347840).

Almost surely, 26806820364 is an apocalyptic number.

It is an amenable number.

6806820364 is a deficient number, since it is larger than the sum of its proper divisors (5393527796).

6806820364 is a wasteful number, since it uses less digits than its factorization.

6806820364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37029 (or 37027 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 6806820364 is about 82503.4566790992. The cubic root of 6806820364 is about 1895.1696660743.

The spelling of 6806820364 in words is "six billion, eight hundred six million, eight hundred twenty thousand, three hundred sixty-four".

Divisors: 1 2 4 43 86 172 1103 2206 4412 35879 47429 71758 94858 143516 189716 1542797 3085594 6171188 39574537 79149074 158298148 1701705091 3403410182 6806820364