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6845929919 = 193111622971
BaseRepresentation
bin1100110000000110…
…01001100110111111
3122200002211021100222
412120003021212333
5103010024224134
63051152011555
7331435305233
oct63003114677
918602737328
106845929919
1129a3392524
1213b0830bbb
1385141060a
1448d2d25c3
152a1033a2e
hex1980c99bf

6845929919 has 8 divisors (see below), whose sum is σ = 7438702080. Its totient is φ = 6276403800.

The previous prime is 6845929891. The next prime is 6845929943. The reversal of 6845929919 is 9199295486.

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 6845929919 - 28 = 6845929663 is a prime.

It is a super-2 number, since 2×68459299192 = 93733512911718693122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845920919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5810897 + ... + 5812074.

It is an arithmetic number, because the mean of its divisors is an integer number (929837760).

Almost surely, 26845929919 is an apocalyptic number.

6845929919 is a deficient number, since it is larger than the sum of its proper divisors (592772161).

6845929919 is a wasteful number, since it uses less digits than its factorization.

6845929919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11623021.

The product of its digits is 12597120, while the sum is 62.

The square root of 6845929919 is about 82740.1348741951. The cubic root of 6845929919 is about 1898.7923922768.

The spelling of 6845929919 in words is "six billion, eight hundred forty-five million, nine hundred twenty-nine thousand, nine hundred nineteen".

Divisors: 1 19 31 589 11622971 220836449 360312101 6845929919