Base | Representation |
---|---|
bin | 101010010111100110… |
… | …0100111010011000100 |
3 | 22200211222111021022121 |
4 | 1110233030213103010 |
5 | 2442314423232220 |
6 | 105444244535324 |
7 | 6400502335462 |
oct | 1245714472304 |
9 | 280758437277 |
10 | 90986149060 |
11 | 35650344514 |
12 | 157730b1544 |
13 | 877021cb31 |
14 | 4591c81832 |
15 | 2577c23eaa |
hex | 152f3274c4 |
90986149060 has 24 divisors (see below), whose sum is σ = 191199297240. Its totient is φ = 36370005504.
The previous prime is 90986149049. The next prime is 90986149069. The reversal of 90986149060 is 6094168909.
It can be written as a sum of positive squares in 4 ways, for example, as 4635975744 + 86350173316 = 68088^2 + 293854^2 .
It is a junction number, because it is equal to n+sod(n) for n = 90986148989 and 90986149007.
It is not an unprimeable number, because it can be changed into a prime (90986149069) 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, 1497859 + ... + 1557418.
It is an arithmetic number, because the mean of its divisors is an integer number (7966637385).
Almost surely, 290986149060 is an apocalyptic number.
It is an amenable number.
90986149060 is an abundant number, since it is smaller than the sum of its proper divisors (100213148180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90986149060 is a wasteful number, since it uses less digits than its factorization.
90986149060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3056775 (or 3056773 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 52.
The spelling of 90986149060 in words is "ninety billion, nine hundred eighty-six million, one hundred forty-nine thousand, sixty".
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