Base | Representation |
---|---|
bin | 10011001001100011… |
… | …10101000110001001 |
3 | 222112110222121211100 |
4 | 21210301311012021 |
5 | 132023330444404 |
6 | 4420051252013 |
7 | 512523444621 |
oct | 114461650611 |
9 | 28473877740 |
10 | 10280718729 |
11 | 43a621a166 |
12 | 1baabaa009 |
13 | c7abc7028 |
14 | 6d7557881 |
15 | 40285dd39 |
hex | 264c75189 |
10280718729 has 12 divisors (see below), whose sum is σ = 14881731696. Its totient is φ = 6839133432.
The previous prime is 10280718719. The next prime is 10280718761. The reversal of 10280718729 is 92781708201.
It is not a de Polignac number, because 10280718729 - 28 = 10280718473 is a prime.
It is a super-2 number, since 2×102807187292 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10280718719) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218819 + ... + 1227224.
It is an arithmetic number, because the mean of its divisors is an integer number (1240144308).
Almost surely, 210280718729 is an apocalyptic number.
It is an amenable number.
10280718729 is a deficient number, since it is larger than the sum of its proper divisors (4601012967).
10280718729 is a wasteful number, since it uses less digits than its factorization.
10280718729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2446516 (or 2446513 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 45.
The spelling of 10280718729 in words is "ten billion, two hundred eighty million, seven hundred eighteen thousand, seven hundred twenty-nine".
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