Base | Representation |
---|---|
bin | 1101011001010000111… |
… | …0001101100001111011 |
3 | 210222222110102020111002 |
4 | 3112110032031201323 |
5 | 12232241211120331 |
6 | 253414330355215 |
7 | 22424405616443 |
oct | 3262416154173 |
9 | 728873366432 |
10 | 230120020091 |
11 | 89658830095 |
12 | 3872288bb0b |
13 | 18914517380 |
14 | b1d044d123 |
15 | 5ebc8a99cb |
hex | 359438d87b |
230120020091 has 8 divisors (see below), whose sum is σ = 248120512080. Its totient is φ = 212162235552.
The previous prime is 230120020087. The next prime is 230120020147. The reversal of 230120020091 is 190020021032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230120020091 - 22 = 230120020087 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230120022091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10665665 + ... + 10687218.
It is an arithmetic number, because the mean of its divisors is an integer number (31015064010).
Almost surely, 2230120020091 is an apocalyptic number.
230120020091 is a deficient number, since it is larger than the sum of its proper divisors (18000491989).
230120020091 is a wasteful number, since it uses less digits than its factorization.
230120020091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21353725.
The product of its (nonzero) digits is 216, while the sum is 20.
The spelling of 230120020091 in words is "two hundred thirty billion, one hundred twenty million, twenty thousand, ninety-one".
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