Base | Representation |
---|---|
bin | 101010001000100100… |
… | …1011100101011101101 |
3 | 22122112211211222111001 |
4 | 1110101021130223231 |
5 | 2440301343041134 |
6 | 105322235200301 |
7 | 6352141222102 |
oct | 1242111345355 |
9 | 278484758431 |
10 | 90482002669 |
11 | 35411805903 |
12 | 156522a6091 |
13 | 86bc945666 |
14 | 4544d2aaa9 |
15 | 254883c414 |
hex | 151125caed |
90482002669 has 4 divisors (see below), whose sum is σ = 90482838844. Its totient is φ = 90481166496.
The previous prime is 90482002661. The next prime is 90482002739. The reversal of 90482002669 is 96620028409.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 60678468900 + 29803533769 = 246330^2 + 172637^2 .
It is a cyclic number.
It is not a de Polignac number, because 90482002669 - 23 = 90482002661 is a prime.
It is a super-2 number, since 2×904820026692 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90482002661) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226512 + ... + 481945.
It is an arithmetic number, because the mean of its divisors is an integer number (22620709711).
Almost surely, 290482002669 is an apocalyptic number.
It is an amenable number.
90482002669 is a deficient number, since it is larger than the sum of its proper divisors (836175).
90482002669 is a wasteful number, since it uses less digits than its factorization.
90482002669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836174.
The product of its (nonzero) digits is 373248, while the sum is 46.
The spelling of 90482002669 in words is "ninety billion, four hundred eighty-two million, two thousand, six hundred sixty-nine".
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