Base | Representation |
---|---|
bin | 1011110101000001100… |
… | …1000110101001101111 |
3 | 201102112012122102101000 |
4 | 2331100121012221233 |
5 | 11312134312033124 |
6 | 233204315051343 |
7 | 20452534243632 |
oct | 2752031065157 |
9 | 642465572330 |
10 | 203212221039 |
11 | 79200001433 |
12 | 33473440b53 |
13 | 16216979499 |
14 | 9b9a96bc19 |
15 | 54454886c9 |
hex | 2f50646a6f |
203212221039 has 16 divisors (see below), whose sum is σ = 301072710400. Its totient is φ = 135466908408.
The previous prime is 203212221031. The next prime is 203212221059. The reversal of 203212221039 is 930122212302.
203212221039 is a `hidden beast` number, since 203 + 212 + 2 + 210 + 39 = 666.
It is not a de Polignac number, because 203212221039 - 23 = 203212221031 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203212221031) 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, 271632 + ... + 692970.
It is an arithmetic number, because the mean of its divisors is an integer number (18817044400).
Almost surely, 2203212221039 is an apocalyptic number.
203212221039 is a deficient number, since it is larger than the sum of its proper divisors (97860489361).
203212221039 is a wasteful number, since it uses less digits than its factorization.
203212221039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439211 (or 439205 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The spelling of 203212221039 in words is "two hundred three billion, two hundred twelve million, two hundred twenty-one thousand, thirty-nine".
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