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6840220486 = 2114127127983
BaseRepresentation
bin1100101111011010…
…10111101101000110
3122122201002012111111
412113231113231012
5103002044023421
63050425355234
7331335625531
oct62755275506
918581065444
106840220486
1129a0142990
1213aa938b1a
13850191958
1448c647a18
152a07a6ee1
hex197b57b46

6840220486 has 32 divisors (see below), whose sum is σ = 11508811776. Its totient is φ = 3022056000.

The previous prime is 6840220483. The next prime is 6840220507.

6840220486 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×68402204863 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840220483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230451 + ... + 258433.

It is an arithmetic number, because the mean of its divisors is an integer number (359650368).

Almost surely, 26840220486 is an apocalyptic number.

6840220486 is a deficient number, since it is larger than the sum of its proper divisors (4668591290).

6840220486 is a wasteful number, since it uses less digits than its factorization.

6840220486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28308.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 6840220486 is about 82705.6254797701. The cubic root of 6840220486 is about 1898.2643878889.

It can be divided in two parts, 68402 and 20486, that added together give a palindrome (88888).

The spelling of 6840220486 in words is "six billion, eight hundred forty million, two hundred twenty thousand, four hundred eighty-six".

Divisors: 1 2 11 22 41 82 271 451 542 902 2981 5962 11111 22222 27983 55966 122221 244442 307813 615626 1147303 2294606 7583393 12620333 15166786 25240666 83417323 166834646 310919113 621838226 3420110243 6840220486