Base | Representation |
---|---|
bin | 111100010010010111… |
… | …0100001001000011000 |
3 | 110101011122121020022120 |
4 | 1320210232201020120 |
5 | 4110121042133414 |
6 | 135250412221240 |
7 | 12232160661141 |
oct | 1704456411030 |
9 | 411148536276 |
10 | 129465192984 |
11 | 4a9a67a9766 |
12 | 2111176a820 |
13 | c29315378a |
14 | 63a2452ac8 |
15 | 357ae222a9 |
hex | 1e24ba1218 |
129465192984 has 32 divisors (see below), whose sum is σ = 325806455040. Its totient is φ = 42869268000.
The previous prime is 129465192977. The next prime is 129465192991. The reversal of 129465192984 is 489291564921.
It is an interprime number because it is at equal distance from previous prime (129465192977) and next prime (129465192991).
It is a super-2 number, since 2×1294651929842 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17858572 + ... + 17865819.
It is an arithmetic number, because the mean of its divisors is an integer number (10181451720).
Almost surely, 2129465192984 is an apocalyptic number.
It is an amenable number.
129465192984 is an abundant number, since it is smaller than the sum of its proper divisors (196341262056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129465192984 is a wasteful number, since it uses less digits than its factorization.
129465192984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35724551 (or 35724547 counting only the distinct ones).
The product of its digits is 11197440, while the sum is 60.
The spelling of 129465192984 in words is "one hundred twenty-nine billion, four hundred sixty-five million, one hundred ninety-two thousand, nine hundred eighty-four".
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