Base | Representation |
---|---|
bin | 111100011100011001… |
… | …0111101010110011100 |
3 | 110102001010011210112011 |
4 | 1320320302331112130 |
5 | 4111313241321333 |
6 | 135344041121004 |
7 | 12243416646421 |
oct | 1707062752634 |
9 | 412033153464 |
10 | 129801901468 |
11 | 50059875838 |
12 | 211a6489164 |
13 | c317b34b75 |
14 | 63d505dd48 |
15 | 359a7829cd |
hex | 1e38cbd59c |
129801901468 has 6 divisors (see below), whose sum is σ = 227153327576. Its totient is φ = 64900950732.
The previous prime is 129801901451. The next prime is 129801901469. The reversal of 129801901468 is 864109108921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129801901469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16225237680 + ... + 16225237687.
Almost surely, 2129801901468 is an apocalyptic number.
It is an amenable number.
129801901468 is a deficient number, since it is larger than the sum of its proper divisors (97351426108).
129801901468 is a wasteful number, since it uses less digits than its factorization.
129801901468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32450475371 (or 32450475369 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 49.
The spelling of 129801901468 in words is "one hundred twenty-nine billion, eight hundred one million, nine hundred one thousand, four hundred sixty-eight".
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