Search a number
-
+
6761632768 = 210111735311
BaseRepresentation
bin1100100110000011…
…00101010000000000
3122110020012112102021
412103001211100000
5102321434222033
63034541131224
7326362634032
oct62301452000
918406175367
106761632768
11295a846860
121388559b14
13839b07347
1448202bc52
15298931b2d
hex193065400

6761632768 has 88 divisors (see below), whose sum is σ = 15613271424. Its totient is φ = 2892595200.

The previous prime is 6761632763. The next prime is 6761632807. The reversal of 6761632768 is 8672361676.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761632763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173833 + ... + 209143.

Almost surely, 26761632768 is an apocalyptic number.

6761632768 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6761632768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7806635712).

6761632768 is an abundant number, since it is smaller than the sum of its proper divisors (8851638656).

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

6761632768 is a wasteful number, since it uses less digits than its factorization.

6761632768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35359 (or 35341 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The square root of 6761632768 is about 82229.1479221328. The cubic root of 6761632768 is about 1890.9666087578.

The spelling of 6761632768 in words is "six billion, seven hundred sixty-one million, six hundred thirty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 64 68 88 128 136 176 187 256 272 352 374 512 544 704 748 1024 1088 1408 1496 2176 2816 2992 4352 5632 5984 8704 11264 11968 17408 23936 35311 47872 70622 95744 141244 191488 282488 388421 564976 600287 776842 1129952 1200574 1553684 2259904 2401148 3107368 4519808 4802296 6214736 6603157 9039616 9604592 12429472 13206314 18079232 19209184 24858944 26412628 36158464 38418368 49717888 52825256 76836736 99435776 105650512 153673472 198871552 211301024 307346944 397743104 422602048 614693888 845204096 1690408192 3380816384 6761632768