Base | Representation |
---|---|
bin | 101001111100011001… |
… | …0000010111110100100 |
3 | 22121111100122102001201 |
4 | 1103320302002332210 |
5 | 2433432220334014 |
6 | 105213513332244 |
7 | 6336045460012 |
oct | 1237062027644 |
9 | 277440572051 |
10 | 90073214884 |
11 | 35221a88564 |
12 | 15559407084 |
13 | 86560481b3 |
14 | 45069198b2 |
15 | 25229dee74 |
hex | 14f8c82fa4 |
90073214884 has 9 divisors (see below), whose sum is σ = 157629176481. Its totient is φ = 45036307320.
The previous prime is 90073214879. The next prime is 90073214893. The reversal of 90073214884 is 48841237009.
The square root of 90073214884 is 300122.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 78692592484 + 11380622400 = 280522^2 + 106680^2 .
It is a super-2 number, since 2×900732148842 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 525214 + ... + 675274.
Almost surely, 290073214884 is an apocalyptic number.
90073214884 is the 300122-nd square number.
It is an amenable number.
90073214884 is a deficient number, since it is larger than the sum of its proper divisors (67555961597).
90073214884 is an frugal number, since it uses more digits than its factorization.
90073214884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300126 (or 150063 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 90073214884 in words is "ninety billion, seventy-three million, two hundred fourteen thousand, eight hundred eighty-four".
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