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194982644807 = 3747981109831
BaseRepresentation
bin1011010110010111011…
…1110000110001000111
3200122021200020122002022
42311211313300301013
511143311024113212
6225323534433355
720041565064206
oct2654567606107
9618250218068
10194982644807
117576768aa65
123195736285b
13155049c4c52
1496199c323d
155112c40772
hex2d65df0c47

194982644807 has 8 divisors (see below), whose sum is σ = 200258442912. Its totient is φ = 189707162400.

The previous prime is 194982644789. The next prime is 194982644809. The reversal of 194982644807 is 708446289491.

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 194982644807 - 226 = 194915535943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194982644807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194982644809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720382 + ... + 1830212.

It is an arithmetic number, because the mean of its divisors is an integer number (25032305364).

Almost surely, 2194982644807 is an apocalyptic number.

194982644807 is a deficient number, since it is larger than the sum of its proper divisors (5275798105).

194982644807 is a wasteful number, since it uses less digits than its factorization.

194982644807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157849.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 194982644807 in words is "one hundred ninety-four billion, nine hundred eighty-two million, six hundred forty-four thousand, eight hundred seven".

Divisors: 1 37 47981 109831 1775297 4063747 5269801211 194982644807