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10207008909 = 335920533121
BaseRepresentation
bin10011000000110001…
…01001100010001101
3222100100021202222000
421200120221202031
5131400443241114
64404455342513
7510640100316
oct114030514215
928310252860
1010207008909
114368654959
121b8a381a39
13c68859a56
146cb84b60d
153eb14de09
hex26062988d

10207008909 has 32 divisors (see below), whose sum is σ = 15390211200. Its totient is φ = 6683938560.

The previous prime is 10207008893. The next prime is 10207008971. The reversal of 10207008909 is 90980070201.

It is a happy number.

It is not a de Polignac number, because 10207008909 - 24 = 10207008893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10207008979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3268869 + ... + 3271989.

It is an arithmetic number, because the mean of its divisors is an integer number (480944100).

Almost surely, 210207008909 is an apocalyptic number.

It is an amenable number.

10207008909 is a deficient number, since it is larger than the sum of its proper divisors (5183202291).

10207008909 is a wasteful number, since it uses less digits than its factorization.

10207008909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 10207008909 in words is "ten billion, two hundred seven million, eight thousand, nine hundred nine".

Divisors: 1 3 9 27 59 177 531 1593 2053 3121 6159 9363 18477 28089 55431 84267 121127 184139 363381 552417 1090143 1657251 3270429 4971753 6407413 19222239 57666717 173000151 378037367 1134112101 3402336303 10207008909