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8942146198385 = 517105201719981
BaseRepresentation
bin1000001000100000000101…
…1100101001101101110001
31011122212020112200012022012
42002020001130221231301
52133002003411322020
631003544254452305
71612022501366561
oct202100134515561
934585215605265
108942146198385
112938385453744
12100506a804095
134cb318c7759a
1422cb332a6da1
151079145b97c5
hex82201729b71

8942146198385 has 8 divisors (see below), whose sum is σ = 11361785758056. Its totient is φ = 6732910078720.

The previous prime is 8942146198331. The next prime is 8942146198423. The reversal of 8942146198385 is 5838916412498.

It can be written as a sum of positive squares in 4 ways, for example, as 1487324154481 + 7454822043904 = 1219559^2 + 2730352^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-8942146198385 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 52600859906 + ... + 52600860075.

It is an arithmetic number, because the mean of its divisors is an integer number (1420223219757).

Almost surely, 28942146198385 is an apocalyptic number.

8942146198385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8942146198385 is a deficient number, since it is larger than the sum of its proper divisors (2419639559671).

8942146198385 is a wasteful number, since it uses less digits than its factorization.

8942146198385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105201720003.

The product of its digits is 119439360, while the sum is 68.

The spelling of 8942146198385 in words is "eight trillion, nine hundred forty-two billion, one hundred forty-six million, one hundred ninety-eight thousand, three hundred eighty-five".

Divisors: 1 5 17 85 105201719981 526008599905 1788429239677 8942146198385