Base | Representation |
---|---|
bin | 10011011001101000… |
… | …000011111011111101 |
3 | 1222202202020210220100 |
4 | 103121220003323331 |
5 | 320130220330231 |
6 | 13323013111313 |
7 | 1335132543654 |
oct | 233150037375 |
9 | 58682223810 |
10 | 20831026941 |
11 | 891a63194a |
12 | 4054328539 |
13 | 1c6c90205a |
14 | 101880a19b |
15 | 81dbc11e6 |
hex | 4d9a03efd |
20831026941 has 48 divisors (see below), whose sum is σ = 33455319040. Its totient is φ = 12435806880.
The previous prime is 20831026913. The next prime is 20831026943. The reversal of 20831026941 is 14962013802.
It is not a de Polignac number, because 20831026941 - 26 = 20831026877 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20831026896 and 20831026905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20831026943) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182250 + ... + 273636.
Almost surely, 220831026941 is an apocalyptic number.
It is an amenable number.
20831026941 is a deficient number, since it is larger than the sum of its proper divisors (12624292099).
20831026941 is a wasteful number, since it uses less digits than its factorization.
20831026941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91486 (or 91483 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 20831026941 in words is "twenty billion, eight hundred thirty-one million, twenty-six thousand, nine hundred forty-one".
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