Base | Representation |
---|---|
bin | 101111101100111101… |
… | …1111111000001011000 |
3 | 100210102021010002212220 |
4 | 1133121323333001120 |
5 | 3134244300101222 |
6 | 115021030104040 |
7 | 10254400654641 |
oct | 1373173770130 |
9 | 323367102786 |
10 | 102440628312 |
11 | 3a4990782a0 |
12 | 17a2b1ab020 |
13 | 9877351bc9 |
14 | 4d5b2586c8 |
15 | 29e8638b5c |
hex | 17d9eff058 |
102440628312 has 64 divisors (see below), whose sum is σ = 281056608000. Its totient is φ = 30856717440.
The previous prime is 102440628289. The next prime is 102440628341. The reversal of 102440628312 is 213826044201.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1117687 + ... + 1205862.
It is an arithmetic number, because the mean of its divisors is an integer number (4391509500).
Almost surely, 2102440628312 is an apocalyptic number.
102440628312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102440628312 is an abundant number, since it is smaller than the sum of its proper divisors (178615979688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102440628312 is a wasteful number, since it uses less digits than its factorization.
102440628312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2323736 (or 2323732 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 33.
The spelling of 102440628312 in words is "one hundred two billion, four hundred forty million, six hundred twenty-eight thousand, three hundred twelve".
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