Base | Representation |
---|---|
bin | 10111000100101001… |
… | …10110011000001000 |
3 | 1011222021102101112021 |
4 | 23202110312120020 |
5 | 200332041113031 |
6 | 5405053254224 |
7 | 615651124234 |
oct | 134224663010 |
9 | 34867371467 |
10 | 12387051016 |
11 | 528719284a |
12 | 2498494374 |
13 | 12253c11b2 |
14 | 8571b15c4 |
15 | 4c7727511 |
hex | 2e2536608 |
12387051016 has 16 divisors (see below), whose sum is σ = 23227362000. Its totient is φ = 6193087824.
The previous prime is 12387051013. The next prime is 12387051043. The reversal of 12387051016 is 61015078321.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12387051011) 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, 87231 + ... + 179953.
It is an arithmetic number, because the mean of its divisors is an integer number (1451710125).
Almost surely, 212387051016 is an apocalyptic number.
It is an amenable number.
12387051016 is a deficient number, since it is larger than the sum of its proper divisors (10840310984).
12387051016 is a wasteful number, since it uses less digits than its factorization.
12387051016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109428 (or 109424 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The spelling of 12387051016 in words is "twelve billion, three hundred eighty-seven million, fifty-one thousand, sixteen".
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