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1676780768 = 251314892707
BaseRepresentation
bin110001111110001…
…1010010011100000
311022212011021210102
41203330122103200
511413223441033
6434215121532
756360254445
oct14374322340
94285137712
101676780768
11790554233
123a96732a8
13209509a90
1411c99d9cc
159c318de8
hex63f1a4e0

1676780768 has 48 divisors (see below), whose sum is σ = 3558799440. Its totient is φ = 773093376.

The previous prime is 1676780641. The next prime is 1676780773. The reversal of 1676780768 is 8670876761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618071 + ... + 620777.

It is an arithmetic number, because the mean of its divisors is an integer number (74141655).

Almost surely, 21676780768 is an apocalyptic number.

It is an amenable number.

1676780768 is an abundant number, since it is smaller than the sum of its proper divisors (1882018672).

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

1676780768 is a wasteful number, since it uses less digits than its factorization.

1676780768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 56.

The square root of 1676780768 is about 40948.5136238179. The cubic root of 1676780768 is about 1188.0245850399.

The spelling of 1676780768 in words is "one billion, six hundred seventy-six million, seven hundred eighty thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 1489 2707 2978 5414 5956 10828 11912 19357 21656 23824 35191 38714 43312 47648 70382 77428 86624 140764 154856 281528 309712 563056 619424 1126112 4030723 8061446 16122892 32245784 52399399 64491568 104798798 128983136 209597596 419195192 838390384 1676780768