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689200378298 = 2350539830833
BaseRepresentation
bin10100000011101111000…
…10110011000110111010
32102212221120002202211222
422001313202303012322
542242440244101143
61244340403552042
7100536012361655
oct12016742630672
92385846082758
10689200378298
11246319712003
12b16a398b622
134ccb6bccb43
1425500cb489c
1512ddade9768
hexa0778b31ba

689200378298 has 8 divisors (see below), whose sum is σ = 1033830165108. Its totient is φ = 344590323264.

The previous prime is 689200378289. The next prime is 689200378303. The reversal of 689200378298 is 892873002986.

689200378298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 610893870409 + 78306507889 = 781597^2 + 279833^2 .

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

It is a super-2 number, since 2×6892003782982 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 689200378298.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4845311 + ... + 4985522.

Almost surely, 2689200378298 is an apocalyptic number.

689200378298 is a deficient number, since it is larger than the sum of its proper divisors (344629786810).

689200378298 is a wasteful number, since it uses less digits than its factorization.

689200378298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865888.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 689200378298 in words is "six hundred eighty-nine billion, two hundred million, three hundred seventy-eight thousand, two hundred ninety-eight".

Divisors: 1 2 35053 70106 9830833 19661666 344600189149 689200378298