Base | Representation |
---|---|
bin | 101001100010101000… |
… | …1101011010110110111 |
3 | 22112021010122101122100 |
4 | 1103011101223112313 |
5 | 2430200011412021 |
6 | 104552044233143 |
7 | 6305453523621 |
oct | 1230521532667 |
9 | 275233571570 |
10 | 89209091511 |
11 | 3491922a911 |
12 | 15357b3b7b3 |
13 | 85490035a7 |
14 | 4463c5bc11 |
15 | 24c1bed626 |
hex | 14c546b5b7 |
89209091511 has 12 divisors (see below), whose sum is σ = 128867576760. Its totient is φ = 59468112240.
The previous prime is 89209091509. The next prime is 89209091539. The reversal of 89209091511 is 11519090298.
It is not a de Polignac number, because 89209091511 - 21 = 89209091509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89209091311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260085 + ... + 496046.
It is an arithmetic number, because the mean of its divisors is an integer number (10738964730).
Almost surely, 289209091511 is an apocalyptic number.
89209091511 is a deficient number, since it is larger than the sum of its proper divisors (39658485249).
89209091511 is a wasteful number, since it uses less digits than its factorization.
89209091511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 769246 (or 769243 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 45.
It can be divided in two parts, 89 and 209091511, that added together give a square (209091600 = 144602).
The spelling of 89209091511 in words is "eighty-nine billion, two hundred nine million, ninety-one thousand, five hundred eleven".
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