Search a number
-
+
1768424064 = 27311499839
BaseRepresentation
bin110100101101000…
…0000001010000000
311120020121020202120
41221122000022000
512110204032224
6451251244240
761552233201
oct15132001200
94506536676
101768424064
118282581a0
124142a9680
132224b5994
1412ac175a8
15a53bc779
hex69680280

1768424064 has 128 divisors (see below), whose sum is σ = 5140800000. Its totient is φ = 534174720.

The previous prime is 1768424057. The next prime is 1768424083. The reversal of 1768424064 is 4604248671.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107357 + ... + 2108195.

It is an arithmetic number, because the mean of its divisors is an integer number (40162500).

Almost surely, 21768424064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1768424064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570400000).

1768424064 is an abundant number, since it is smaller than the sum of its proper divisors (3372375936).

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

1768424064 is a wasteful number, since it uses less digits than its factorization.

1768424064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 1768424064 is about 42052.6344477965. The cubic root of 1768424064 is about 1209.2853882095.

The spelling of 1768424064 in words is "one billion, seven hundred sixty-eight million, four hundred twenty-four thousand, sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 264 352 384 499 528 704 839 998 1056 1408 1497 1678 1996 2112 2517 2994 3356 3992 4224 5034 5489 5988 6712 7984 9229 10068 10978 11976 13424 15968 16467 18458 20136 21956 23952 26848 27687 31936 32934 36916 40272 43912 47904 53696 55374 63872 65868 73832 80544 87824 95808 107392 110748 131736 147664 161088 175648 191616 221496 263472 295328 322176 351296 418661 442992 526944 590656 702592 837322 885984 1053888 1181312 1255983 1674644 1771968 2107776 2511966 3349288 3543936 4605271 5023932 6698576 9210542 10047864 13397152 13815813 18421084 20095728 26794304 27631626 36842168 40191456 53588608 55263252 73684336 80382912 110526504 147368672 160765824 221053008 294737344 442106016 589474688 884212032 1768424064