Base | Representation |
---|---|
bin | 111100010010100001… |
… | …0001100010110010100 |
3 | 110101012000022021102120 |
4 | 1320211002030112110 |
5 | 4110123402210430 |
6 | 135251114535540 |
7 | 12232252552263 |
oct | 1704502142624 |
9 | 411160267376 |
10 | 129470350740 |
11 | 4a9a9701875 |
12 | 211134375b0 |
13 | c29423b2c3 |
14 | 63a2dd65da |
15 | 357b5e0610 |
hex | 1e2508c594 |
129470350740 has 24 divisors (see below), whose sum is σ = 362516982240. Its totient is φ = 34525426848.
The previous prime is 129470350697. The next prime is 129470350741. The reversal of 129470350740 is 47053074921.
It is a junction number, because it is equal to n+sod(n) for n = 129470350692 and 129470350701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129470350741) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078919530 + ... + 1078919649.
It is an arithmetic number, because the mean of its divisors is an integer number (15104874260).
Almost surely, 2129470350740 is an apocalyptic number.
129470350740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
129470350740 is an abundant number, since it is smaller than the sum of its proper divisors (233046631500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129470350740 is a wasteful number, since it uses less digits than its factorization.
129470350740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2157839191 (or 2157839189 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 42.
The spelling of 129470350740 in words is "one hundred twenty-nine billion, four hundred seventy million, three hundred fifty thousand, seven hundred forty".
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