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1678285414806 = 2371113279434801
BaseRepresentation
bin11000011011000001100…
…110110010000110010110
312221102221121002121020220
4120123001212302012112
5204444112031233211
63322554344535210
7232152322436010
oct30330146620626
95842847077226
101678285414806
11597836400310
1223131a481506
13c2352a759b0
145b32d8651b0
152d9c92bc806
hex186c19b2196

1678285414806 has 64 divisors (see below), whose sum is σ = 4506724486656. Its totient is φ = 402386112000.

The previous prime is 1678285414789. The next prime is 1678285414873. The reversal of 1678285414806 is 6084145828761.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1678285414806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139711395 + ... + 139723406.

It is an arithmetic number, because the mean of its divisors is an integer number (70417570104).

Almost surely, 21678285414806 is an apocalyptic number.

1678285414806 is an abundant number, since it is smaller than the sum of its proper divisors (2828439071850).

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

1678285414806 is a wasteful number, since it uses less digits than its factorization.

1678285414806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279434837.

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 1678285414806 in words is "one trillion, six hundred seventy-eight billion, two hundred eighty-five million, four hundred fourteen thousand, eight hundred six".

Divisors: 1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 143 154 182 231 273 286 429 462 546 858 1001 2002 3003 6006 279434801 558869602 838304403 1676608806 1956043607 3073782811 3632652413 3912087214 5868130821 6147565622 7265304826 9221348433 10897957239 11736261642 18442696866 21516479677 21795914478 25428566891 39959176543 43032959354 50857133782 64549439031 76285700673 79918353086 119877529629 129098878062 152571401346 239755059258 279714235801 559428471602 839142707403 1678285414806