Base | Representation |
---|---|
bin | 10010100100101000… |
… | …10011000010001100 |
3 | 221201220011121222022 |
4 | 21102110103002030 |
5 | 130410033042043 |
6 | 4325224505312 |
7 | 502042664243 |
oct | 112224230214 |
9 | 27656147868 |
10 | 9970987148 |
11 | 42573a9251 |
12 | 1b2331b238 |
13 | c2b99c8c5 |
14 | 6a836d95a |
15 | 3d557b868 |
hex | 25251308c |
9970987148 has 12 divisors (see below), whose sum is σ = 17450218800. Its totient is φ = 4985210352.
The previous prime is 9970987141. The next prime is 9970987151. The reversal of 9970987148 is 8417890799.
It is not an unprimeable number, because it can be changed into a prime (9970987141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21890 + ... + 142902.
It is an arithmetic number, because the mean of its divisors is an integer number (1454184900).
Almost surely, 29970987148 is an apocalyptic number.
It is an amenable number.
9970987148 is a deficient number, since it is larger than the sum of its proper divisors (7479231652).
9970987148 is a wasteful number, since it uses less digits than its factorization.
9970987148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141616 (or 141614 counting only the distinct ones).
The product of its (nonzero) digits is 9144576, while the sum is 62.
The square root of 9970987148 is about 99854.8303688910. The cubic root of 9970987148 is about 2152.3491286333.
The spelling of 9970987148 in words is "nine billion, nine hundred seventy million, nine hundred eighty-seven thousand, one hundred forty-eight".
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