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16778473068 = 22371711749631
BaseRepresentation
bin11111010000001001…
…10010111001101100
31121022022122202002110
433220010302321230
5233330242114233
611412524524020
71132533445050
oct175004627154
947268582073
1016778473068
117130013175
1233030b0610
13177513c996
14b524d5c60
15683019663
hex3e8132e6c

16778473068 has 48 divisors (see below), whose sum is σ = 47374516224. Its totient is φ = 4511857920.

The previous prime is 16778473043. The next prime is 16778473079. The reversal of 16778473068 is 86037487761.

16778473068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16778472999 and 16778473017.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5873388 + ... + 5876243.

It is an arithmetic number, because the mean of its divisors is an integer number (986969088).

Almost surely, 216778473068 is an apocalyptic number.

It is an amenable number.

16778473068 is an abundant number, since it is smaller than the sum of its proper divisors (30596043156).

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

16778473068 is a wasteful number, since it uses less digits than its factorization.

16778473068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11749662 (or 11749660 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 16778473068 in words is "sixteen billion, seven hundred seventy-eight million, four hundred seventy-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 11749631 23499262 35248893 46998524 70497786 82247417 140995572 164494834 199743727 246742251 328989668 399487454 493484502 599231181 798974908 986969004 1198462362 1398206089 2396924724 2796412178 4194618267 5592824356 8389236534 16778473068