Base | Representation |
---|---|
bin | 111100000111110000… |
… | …0011111000110101010 |
3 | 110100020211201120022210 |
4 | 1320033200133012222 |
5 | 4103403423140010 |
6 | 135151214025550 |
7 | 12220306014531 |
oct | 1701740370652 |
9 | 410224646283 |
10 | 129109193130 |
11 | 4a833856805 |
12 | 210324a82b6 |
13 | c237479688 |
14 | 636b063318 |
15 | 3559a50b20 |
hex | 1e0f81f1aa |
129109193130 has 16 divisors (see below), whose sum is σ = 309862063584. Its totient is φ = 34429118160.
The previous prime is 129109193107. The next prime is 129109193137. The reversal of 129109193130 is 31391901921.
It is not an unprimeable number, because it can be changed into a prime (129109193137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151819856 + ... + 2151819915.
It is an arithmetic number, because the mean of its divisors is an integer number (19366378974).
Almost surely, 2129109193130 is an apocalyptic number.
129109193130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
129109193130 is an abundant number, since it is smaller than the sum of its proper divisors (180752870454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129109193130 is a wasteful number, since it uses less digits than its factorization.
129109193130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4303639781.
The product of its (nonzero) digits is 13122, while the sum is 39.
The spelling of 129109193130 in words is "one hundred twenty-nine billion, one hundred nine million, one hundred ninety-three thousand, one hundred thirty".
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