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6852689542690 = 25685268954269
BaseRepresentation
bin110001110111000010000…
…1000000011111000100010
3220021002222201100101110221
41203232010020003320202
51344233302010331230
622324025423113254
71305043015016245
oct143560410037042
926232881311427
106852689542690
112202233663452
1292811ba4282a
133a928a340b64
14199959b5525c
15bd3c2cdb27a
hex63b84203e22

6852689542690 has 8 divisors (see below), whose sum is σ = 12334841176860. Its totient is φ = 2741075817072.

The previous prime is 6852689542679. The next prime is 6852689542703. The reversal of 6852689542690 is 962459862586.

It can be written as a sum of positive squares in 2 ways, for example, as 6267527271009 + 585162271681 = 2503503^2 + 764959^2 .

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

It is a super-2 number, since 2×68526895426902 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342634477125 + ... + 342634477144.

Almost surely, 26852689542690 is an apocalyptic number.

6852689542690 is a deficient number, since it is larger than the sum of its proper divisors (5482151634170).

6852689542690 is a wasteful number, since it uses less digits than its factorization.

6852689542690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685268954276.

The product of its (nonzero) digits is 447897600, while the sum is 70.

The spelling of 6852689542690 in words is "six trillion, eight hundred fifty-two billion, six hundred eighty-nine million, five hundred forty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 685268954269 1370537908538 3426344771345 6852689542690