Base | Representation |
---|---|
bin | 1011110000100010110… |
… | …1111101101101100101 |
3 | 201022102101221112121220 |
4 | 2330020231331231211 |
5 | 11302203442324033 |
6 | 232445121330553 |
7 | 20410663241556 |
oct | 2741055755545 |
9 | 638371845556 |
10 | 202009729893 |
11 | 78743253aa4 |
12 | 33198796a59 |
13 | 160847c216a |
14 | 9ac4d9032d |
15 | 53c4b09bb3 |
hex | 2f08b7db65 |
202009729893 has 32 divisors (see below), whose sum is σ = 288489600000. Its totient is φ = 125352294912.
The previous prime is 202009729871. The next prime is 202009730009. The reversal of 202009729893 is 398927900202.
It is not a de Polignac number, because 202009729893 - 221 = 202007632741 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202009729843) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6336808 + ... + 6368606.
It is an arithmetic number, because the mean of its divisors is an integer number (9015300000).
Almost surely, 2202009729893 is an apocalyptic number.
It is an amenable number.
202009729893 is a deficient number, since it is larger than the sum of its proper divisors (86479870107).
202009729893 is a wasteful number, since it uses less digits than its factorization.
202009729893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33769.
The product of its (nonzero) digits is 979776, while the sum is 51.
The spelling of 202009729893 in words is "two hundred two billion, nine million, seven hundred twenty-nine thousand, eight hundred ninety-three".
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