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6906140361 = 323539532281
BaseRepresentation
bin1100110111010001…
…10101011011001001
3122211022010021120100
412123220311123021
5103120432442421
63101142320013
7333066140001
oct63350653311
918738107510
106906140361
112a2437751a
121408a29009
13860a322b3
144972c7001
152a6478c26
hex19ba356c9

6906140361 has 24 divisors (see below), whose sum is σ = 10018682856. Its totient is φ = 4584222720.

The previous prime is 6906140347. The next prime is 6906140389. The reversal of 6906140361 is 1630416096.

6906140361 is a `hidden beast` number, since 6 + 9 + 0 + 614 + 0 + 36 + 1 = 666.

6906140361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 832899600 + 6073240761 = 28860^2 + 77931^2 .

It is not a de Polignac number, because 6906140361 - 27 = 6906140233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6906140321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3026541 + ... + 3028821.

It is an arithmetic number, because the mean of its divisors is an integer number (417445119).

Almost surely, 26906140361 is an apocalyptic number.

It is an amenable number.

6906140361 is a deficient number, since it is larger than the sum of its proper divisors (3112542495).

6906140361 is a wasteful number, since it uses less digits than its factorization.

6906140361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 6906140361 is about 83103.1910398151. The cubic root of 6906140361 is about 1904.3428233095.

The spelling of 6906140361 in words is "six billion, nine hundred six million, one hundred forty thousand, three hundred sixty-one".

Divisors: 1 3 9 353 953 1059 2281 2859 3177 6843 8577 20529 336409 805193 1009227 2173793 2415579 3027681 6521379 7246737 19564137 767348929 2302046787 6906140361