Base | Representation |
---|---|
bin | 1111011111010… |
… | …10111011001010 |
3 | 100001111111012010 |
4 | 13233222323022 |
5 | 231230441343 |
6 | 20521000350 |
7 | 3135306234 |
oct | 757527312 |
9 | 301444163 |
10 | 129937098 |
11 | 67389735 |
12 | 376230b6 |
13 | 20bc5c75 |
14 | 13385254 |
15 | b619d33 |
hex | 7beaeca |
129937098 has 8 divisors (see below), whose sum is σ = 259874208. Its totient is φ = 43312364.
The previous prime is 129937091. The next prime is 129937111. The reversal of 129937098 is 890739921.
It is a sphenic number, since it is the product of 3 distinct primes.
129937098 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (129937091) 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, 10828086 + ... + 10828097.
It is an arithmetic number, because the mean of its divisors is an integer number (32484276).
Almost surely, 2129937098 is an apocalyptic number.
129937098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129937098 is a wasteful number, since it uses less digits than its factorization.
129937098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21656188.
The product of its (nonzero) digits is 244944, while the sum is 48.
The square root of 129937098 is about 11398.9954820589. The cubic root of 129937098 is about 506.4979839173.
The spelling of 129937098 in words is "one hundred twenty-nine million, nine hundred thirty-seven thousand, ninety-eight".
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