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38344074747985 = 51723103583189349
BaseRepresentation
bin10001011011111101011001…
…11101000110000001010001
312000202122202111102101000001
420231332230331012001101
520011212131113413420
6213315005203130001
711035160626455466
oct1055765475060121
9160678674371001
1038344074747985
11112436a3627046
124373409073901
131851aa5177936
14967c1258966d
1546763d9c2b0a
hex22dfacf46051

38344074747985 has 32 divisors (see below), whose sum is σ = 50838529996800. Its totient is φ = 27615166706688.

The previous prime is 38344074747977. The next prime is 38344074748003. The reversal of 38344074747985 is 58974747044383.

38344074747985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38344074747985 - 23 = 38344074747977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202410091 + ... + 202599439.

It is an arithmetic number, because the mean of its divisors is an integer number (1588704062400).

Almost surely, 238344074747985 is an apocalyptic number.

It is an amenable number.

38344074747985 is a deficient number, since it is larger than the sum of its proper divisors (12494455248815).

38344074747985 is a wasteful number, since it uses less digits than its factorization.

38344074747985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292977.

The product of its (nonzero) digits is 2275983360, while the sum is 73.

The spelling of 38344074747985 in words is "thirty-eight trillion, three hundred forty-four billion, seventy-four million, seven hundred forty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 17 23 85 115 391 1955 103583 189349 517915 946745 1760911 2382409 3218933 4355027 8804555 11912045 16094665 21775135 40500953 74035459 202504765 370177295 19613337467 98066687335 333426736939 451106761741 1667133684695 2255533808705 7668814949597 38344074747985