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10005666610 = 251000566661
BaseRepresentation
bin10010101000110001…
…00101101100110010
3221211022102112020211
421110120211230302
5130442422312420
64332504054334
7502643522452
oct112430455462
927738375224
1010005666610
114274a35465
121b32a643aa
13c35c227b4
146acbd9d62
153d862be5a
hex254625b32

10005666610 has 8 divisors (see below), whose sum is σ = 18010199916. Its totient is φ = 4002266640.

The previous prime is 10005666481. The next prime is 10005666611. The reversal of 10005666610 is 1666650001.

It can be written as a sum of positive squares in 2 ways, for example, as 9529859641 + 475806969 = 97621^2 + 21813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×100056666102 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10005666611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500283321 + ... + 500283340.

Almost surely, 210005666610 is an apocalyptic number.

10005666610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10005666610 is a deficient number, since it is larger than the sum of its proper divisors (8004533306).

10005666610 is a wasteful number, since it uses less digits than its factorization.

10005666610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000566668.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 10005666610 in words is "ten billion, five million, six hundred sixty-six thousand, six hundred ten".

Divisors: 1 2 5 10 1000566661 2001133322 5002833305 10005666610