Base | Representation |
---|---|
bin | 111100001000101110… |
… | …1010110010111000111 |
3 | 110100100010022112110002 |
4 | 1320101131112113013 |
5 | 4103440313102234 |
6 | 135154343351515 |
7 | 12221154152621 |
oct | 1702135262707 |
9 | 410303275402 |
10 | 129141925319 |
11 | 4a850282a00 |
12 | 2104145259b |
13 | c24119a134 |
14 | 6371543c11 |
15 | 355c86927e |
hex | 1e117565c7 |
129141925319 has 12 divisors (see below), whose sum is σ = 142902089400. Its totient is φ = 116613802800.
The previous prime is 129141925301. The next prime is 129141925343. The reversal of 129141925319 is 913529141921.
It is a de Polignac number, because none of the positive numbers 2k-129141925319 is a prime.
It is a super-4 number, since 4×1291419253194 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129141925369) 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, 3563477 + ... + 3599534.
It is an arithmetic number, because the mean of its divisors is an integer number (11908507450).
Almost surely, 2129141925319 is an apocalyptic number.
129141925319 is a deficient number, since it is larger than the sum of its proper divisors (13760164081).
129141925319 is a wasteful number, since it uses less digits than its factorization.
129141925319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7163182 (or 7163171 counting only the distinct ones).
The product of its digits is 174960, while the sum is 47.
The spelling of 129141925319 in words is "one hundred twenty-nine billion, one hundred forty-one million, nine hundred twenty-five thousand, three hundred nineteen".
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