Base | Representation |
---|---|
bin | 101110000101111000… |
… | …0010110111001000100 |
3 | 100110111012002212001100 |
4 | 1130023300112321010 |
5 | 3110203224130420 |
6 | 113245500300100 |
7 | 10102565434353 |
oct | 1341360267104 |
9 | 313435085040 |
10 | 98981473860 |
11 | 38a83509365 |
12 | 17224841630 |
13 | 94457b6c59 |
14 | 4b0da8d99a |
15 | 2894ae9190 |
hex | 170bc16e44 |
98981473860 has 36 divisors (see below), whose sum is σ = 300243804588. Its totient is φ = 26395059648.
The previous prime is 98981473847. The next prime is 98981473867. The reversal of 98981473860 is 6837418989.
98981473860 is a `hidden beast` number, since 9 + 8 + 9 + 81 + 473 + 86 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 72227637504 + 26753836356 = 268752^2 + 163566^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (98981473867) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274948359 + ... + 274948718.
It is an arithmetic number, because the mean of its divisors is an integer number (8340105683).
Almost surely, 298981473860 is an apocalyptic number.
98981473860 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
98981473860 is an abundant number, since it is smaller than the sum of its proper divisors (201262330728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
98981473860 is a wasteful number, since it uses less digits than its factorization.
98981473860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 549897092 (or 549897087 counting only the distinct ones).
The product of its (nonzero) digits is 20901888, while the sum is 63.
The spelling of 98981473860 in words is "ninety-eight billion, nine hundred eighty-one million, four hundred seventy-three thousand, eight hundred sixty".
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