Base | Representation |
---|---|
bin | 110010110110011110… |
… | …0100110110011000111 |
3 | 101102212110211211220111 |
4 | 1211230330212303013 |
5 | 3242121203244122 |
6 | 122100002013451 |
7 | 10614061522630 |
oct | 1455474466307 |
9 | 342773754814 |
10 | 109202009287 |
11 | 42348761958 |
12 | 191b7647287 |
13 | a3b409b757 |
14 | 53dd21c887 |
15 | 2c9201ad77 |
hex | 196cf26cc7 |
109202009287 has 16 divisors (see below), whose sum is σ = 131394412800. Its totient is φ = 88659403200.
The previous prime is 109202009239. The next prime is 109202009321. The reversal of 109202009287 is 782900202901.
It is a cyclic number.
It is not a de Polignac number, because 109202009287 - 27 = 109202009159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109202009207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700764 + ... + 842302.
It is an arithmetic number, because the mean of its divisors is an integer number (8212150800).
Almost surely, 2109202009287 is an apocalyptic number.
109202009287 is a deficient number, since it is larger than the sum of its proper divisors (22192403513).
109202009287 is a wasteful number, since it uses less digits than its factorization.
109202009287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147366.
The product of its (nonzero) digits is 36288, while the sum is 40.
The spelling of 109202009287 in words is "one hundred nine billion, two hundred two million, nine thousand, two hundred eighty-seven".
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