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207696446390 = 2537929604243
BaseRepresentation
bin1100000101101110101…
…1000100001110110110
3201212002201111200010102
43001123223010032312
511400330242241030
6235225303354102
721001624444136
oct3013353041666
9655081450112
10207696446390
11800a12582a4
1234305152932
131677c9bbb74
14a0a432cac6
155608eacc45
hex305bac43b6

207696446390 has 32 divisors (see below), whose sum is σ = 384371693280. Its totient is φ = 80746066944.

The previous prime is 207696446381. The next prime is 207696446401. The reversal of 207696446390 is 93644696702.

207696446390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 41609 + ... + 645851.

It is an arithmetic number, because the mean of its divisors is an integer number (12011615415).

Almost surely, 2207696446390 is an apocalyptic number.

207696446390 is a deficient number, since it is larger than the sum of its proper divisors (176675246890).

207696446390 is a wasteful number, since it uses less digits than its factorization.

207696446390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605216.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 207696446390 in words is "two hundred seven billion, six hundred ninety-six million, four hundred forty-six thousand, three hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 929 1858 4645 9290 34373 68746 171865 343730 604243 1208486 3021215 6042430 22356991 44713982 111784955 223569910 561341747 1122683494 2806708735 5613417470 20769644639 41539289278 103848223195 207696446390