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6840606455 = 51780477723
BaseRepresentation
bin1100101111011101…
…10101111011110111
3122122201210210221122
412113232311323313
5103002143401310
63050441534155
7331342124024
oct62756657367
918581723848
106840606455
1129a0386971
1213aaaa435b
13850298537
1448c70854b
152a0831555
hex197bb5ef7

6840606455 has 8 divisors (see below), whose sum is σ = 8691594192. Its totient is φ = 5150574208.

The previous prime is 6840606431. The next prime is 6840606463. The reversal of 6840606455 is 5546060486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6840606455 - 216 = 6840540919 is a prime.

It is a Duffinian number.

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, 40238777 + ... + 40238946.

It is an arithmetic number, because the mean of its divisors is an integer number (1086449274).

Almost surely, 26840606455 is an apocalyptic number.

6840606455 is a deficient number, since it is larger than the sum of its proper divisors (1850987737).

6840606455 is a wasteful number, since it uses less digits than its factorization.

6840606455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80477745.

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 6840606455 is about 82707.9588371035. The cubic root of 6840606455 is about 1898.3000912910.

The spelling of 6840606455 in words is "six billion, eight hundred forty million, six hundred six thousand, four hundred fifty-five".

Divisors: 1 5 17 85 80477723 402388615 1368121291 6840606455