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38344074747986 = 272391266068857
BaseRepresentation
bin10001011011111101011001…
…11101000110000001010010
312000202122202111102101000002
420231332230331012001102
520011212131113413421
6213315005203130002
711035160626455500
oct1055765475060122
9160678674371002
1038344074747986
11112436a3627047
124373409073902
131851aa5177937
14967c12589670
1546763d9c2b0b
hex22dfacf46052

38344074747986 has 12 divisors (see below), whose sum is σ = 66906497774718. Its totient is φ = 16433174891952.

The previous prime is 38344074747977. The next prime is 38344074748003. The reversal of 38344074747986 is 68974747044383.

38344074747986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37923611986225 + 420462761761 = 6158215^2 + 648431^2 .

It is a super-2 number, since 2×383440747479862 (a number of 28 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 195633034331 + ... + 195633034526.

Almost surely, 238344074747986 is an apocalyptic number.

38344074747986 is a deficient number, since it is larger than the sum of its proper divisors (28562423026732).

38344074747986 is a wasteful number, since it uses less digits than its factorization.

38344074747986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391266068873 (or 391266068866 counting only the distinct ones).

The product of its (nonzero) digits is 2731180032, while the sum is 74.

The spelling of 38344074747986 in words is "thirty-eight trillion, three hundred forty-four billion, seventy-four million, seven hundred forty-seven thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 49 98 391266068857 782532137714 2738862481999 5477724963998 19172037373993 38344074747986