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64343763088 = 24113720034933
BaseRepresentation
bin111011111011001011…
…111110100010010000
320011002020010211111121
4323323023332202100
52023234000404323
645320434052024
74435332651013
oct737313764220
9204066124447
1064343763088
1125319416610
121057871a014
1360b565ccc7
14318572d37a
151a18c7da5d
hexefb2fe890

64343763088 has 80 divisors (see below), whose sum is σ = 139773036096. Its totient is φ = 28436728320.

The previous prime is 64343763067. The next prime is 64343763089. The reversal of 64343763088 is 88036734346.

It is not an unprimeable number, because it can be changed into a prime (64343763089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13041070 + ... + 13046002.

Almost surely, 264343763088 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 64343763088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69886518048).

64343763088 is an abundant number, since it is smaller than the sum of its proper divisors (75429273008).

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

64343763088 is a wasteful number, since it uses less digits than its factorization.

64343763088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992 (or 6986 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 64343763088 in words is "sixty-four billion, three hundred forty-three million, seven hundred sixty-three thousand, eighty-eight".

Divisors: 1 2 4 8 11 16 22 37 44 74 88 148 176 296 407 592 814 1628 2003 3256 4006 4933 6512 8012 9866 16024 19732 22033 32048 39464 44066 54263 74111 78928 88132 108526 148222 176264 182521 217052 296444 352528 365042 434104 592888 730084 815221 868208 1185776 1460168 1630442 2007731 2920336 3260884 4015462 6521768 8030924 9880799 13043536 16061848 19761598 32123696 39523196 79046392 108688789 158092784 217377578 365589563 434755156 731179126 869510312 1462358252 1739020624 2924716504 4021485193 5849433008 8042970386 16085940772 32171881544 64343763088