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1681760000800 = 255211191109091
BaseRepresentation
bin11000011110010000101…
…101010001101100100000
312221202220202010212012001
4120132100231101230200
5210023221030011200
63324331225213344
7232334403100225
oct30362055215440
95852822125161
101681760000800
1159925974a190
12231b2a031254
13c2787884839
145b57d0c994c
152db2e35976a
hex18790b51b20

1681760000800 has 72 divisors (see below), whose sum is σ = 4478832680112. Its totient is φ = 611549088000.

The previous prime is 1681760000747. The next prime is 1681760000803. The reversal of 1681760000800 is 80000671861.

It is a self number, because there is not a number n which added to its sum of digits gives 1681760000800.

It is not an unprimeable number, because it can be changed into a prime (1681760000803) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 95545746 + ... + 95563345.

It is an arithmetic number, because the mean of its divisors is an integer number (62206009446).

Almost surely, 21681760000800 is an apocalyptic number.

1681760000800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1681760000800 is an abundant number, since it is smaller than the sum of its proper divisors (2797072679312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1681760000800 is a wasteful number, since it uses less digits than its factorization.

1681760000800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191109122 (or 191109109 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 1681760000800 in words is "one trillion, six hundred eighty-one billion, seven hundred sixty million, eight hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1760 2200 4400 8800 191109091 382218182 764436364 955545455 1528872728 1911090910 2102200001 3057745456 3822181820 4204400002 4777727275 6115490912 7644363640 8408800004 9555454550 10511000005 15288727280 16817600008 19110909100 21022000010 30577454560 33635200016 38221818200 42044000020 52555000025 67270400032 76443636400 84088000040 105110000050 152887272800 168176000080 210220000100 336352000160 420440000200 840880000400 1681760000800