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199030192384 = 28278832
BaseRepresentation
bin1011100101011100011…
…1111011100100000000
3201000201202102100112211
42321113013323210000
511230103212124014
6231233323431504
720244103502362
oct2712707734400
9630652370484
10199030192384
117745439a401
12326a6985594
13159cb42370a
1498c1392d32
15529d258cc4
hex2e571fb900

199030192384 has 27 divisors (see below), whose sum is σ = 397297171803. Its totient is φ = 99511527168.

The previous prime is 199030192373. The next prime is 199030192391. The reversal of 199030192384 is 483291030991.

The square root of 199030192384 is 446128.

It is a perfect power (a square), and thus also a powerful number.

199030192384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1990301923842 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7124107 + ... + 7151989.

Almost surely, 2199030192384 is an apocalyptic number.

199030192384 is the 446128-th square number.

It is an amenable number.

199030192384 is a deficient number, since it is larger than the sum of its proper divisors (198266979419).

199030192384 is an frugal number, since it uses more digits than its factorization.

199030192384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55782 (or 27885 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

Multiplying 199030192384 by its sum of digits (49), we get a square (9752479426816 = 31228962).

The spelling of 199030192384 in words is "one hundred ninety-nine billion, thirty million, one hundred ninety-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 27883 55766 111532 223064 446128 892256 1784512 3569024 7138048 777461689 1554923378 3109846756 6219693512 12439387024 24878774048 49757548096 99515096192 199030192384