Base | Representation |
---|---|
bin | 10010011001110111… |
… | …01101011001111001 |
3 | 221111121012022020000 |
4 | 21030323231121321 |
5 | 130213421433411 |
6 | 4312240423213 |
7 | 466565120514 |
oct | 111473553171 |
9 | 27447168200 |
10 | 9880655481 |
11 | 4210410784 |
12 | 1ab9017b09 |
13 | c16062a08 |
14 | 69a377d7b |
15 | 3cc686956 |
hex | 24ceed679 |
9880655481 has 40 divisors (see below), whose sum is σ = 15655754400. Its totient is φ = 6192650880.
The previous prime is 9880655467. The next prime is 9880655507. The reversal of 9880655481 is 1845560889.
It is a happy number.
9880655481 is a `hidden beast` number, since 9 + 8 + 8 + 0 + 6 + 554 + 81 = 666.
9880655481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 9880655481 - 29 = 9880654969 is a prime.
It is a super-2 number, since 2×98806554812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (9880655401) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 177105 + ... + 226113.
It is an arithmetic number, because the mean of its divisors is an integer number (391393860).
Almost surely, 29880655481 is an apocalyptic number.
It is an amenable number.
9880655481 is a deficient number, since it is larger than the sum of its proper divisors (5775098919).
9880655481 is a wasteful number, since it uses less digits than its factorization.
9880655481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49171 (or 49162 counting only the distinct ones).
The product of its (nonzero) digits is 2764800, while the sum is 54.
The square root of 9880655481 is about 99401.4863118253. The cubic root of 9880655481 is about 2145.8297010304.
The spelling of 9880655481 in words is "nine billion, eight hundred eighty million, six hundred fifty-five thousand, four hundred eighty-one".
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