Base | Representation |
---|---|
bin | 101010001000000111… |
… | …0100101101001001010 |
3 | 22122111202211001210011 |
4 | 1110100032211221022 |
5 | 2440233420312444 |
6 | 105320524342134 |
7 | 6351563116216 |
oct | 1242016455112 |
9 | 278452731704 |
10 | 90466572874 |
11 | 35404027207 |
12 | 156490a494a |
13 | 86b96a24c2 |
14 | 4542c71946 |
15 | 25472e0734 |
hex | 15103a5a4a |
90466572874 has 4 divisors (see below), whose sum is σ = 135699859314. Its totient is φ = 45233286436.
The previous prime is 90466572821. The next prime is 90466572941. The reversal of 90466572874 is 47827566409.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47827566409 = 7 ⋅6832509487.
It can be written as a sum of positive squares in only one way, i.e., 56090817225 + 34375755649 = 236835^2 + 185407^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22616643217 + ... + 22616643220.
Almost surely, 290466572874 is an apocalyptic number.
90466572874 is a deficient number, since it is larger than the sum of its proper divisors (45233286440).
90466572874 is a wasteful number, since it uses less digits than its factorization.
90466572874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45233286439.
The product of its (nonzero) digits is 20321280, while the sum is 58.
The spelling of 90466572874 in words is "ninety billion, four hundred sixty-six million, five hundred seventy-two thousand, eight hundred seventy-four".
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