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918190910002 = 2649977063333
BaseRepresentation
bin11010101110010000111…
…00010110101000110010
310020210000022012001112211
431113020130112220302
5110020423333110002
61541451105442334
7123223424650402
oct15271034265062
93223008161484
10918190910002
11324447916813
12129b503403aa
136877b410392
143262530a802
1518d3e545dd7
hexd5c8716a32

918190910002 has 8 divisors (see below), whose sum is σ = 1377307749996. Its totient is φ = 459088326672.

The previous prime is 918190909991. The next prime is 918190910027. The reversal of 918190910002 is 200019091819.

It can be written as a sum of positive squares in 2 ways, for example, as 860959438641 + 57231471361 = 927879^2 + 239231^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401673 + ... + 3661660.

Almost surely, 2918190910002 is an apocalyptic number.

918190910002 is a deficient number, since it is larger than the sum of its proper divisors (459116839994).

918190910002 is a wasteful number, since it uses less digits than its factorization.

918190910002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128332.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 918190910002 in words is "nine hundred eighteen billion, one hundred ninety million, nine hundred ten thousand, two".

Divisors: 1 2 64997 129994 7063333 14126666 459095455001 918190910002