Base | Representation |
---|---|
bin | 101111100000110000… |
… | …1011011000010101100 |
3 | 100202100201100102221211 |
4 | 1133001201123002230 |
5 | 3132424414341022 |
6 | 114512234404204 |
7 | 10241265202216 |
oct | 1370141330254 |
9 | 322321312854 |
10 | 102031012012 |
11 | 3a2a8934526 |
12 | 17935b90664 |
13 | 98105245b7 |
14 | 4d1caad5b6 |
15 | 29c26c5e77 |
hex | 17c185b0ac |
102031012012 has 24 divisors (see below), whose sum is σ = 193079968704. Its totient is φ = 46993005312.
The previous prime is 102031012007. The next prime is 102031012021. The reversal of 102031012012 is 210210130201.
It is a junction number, because it is equal to n+sod(n) for n = 102031011983 and 102031012001.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15959103 + ... + 15965494.
It is an arithmetic number, because the mean of its divisors is an integer number (8044998696).
Almost surely, 2102031012012 is an apocalyptic number.
It is an amenable number.
102031012012 is a deficient number, since it is larger than the sum of its proper divisors (91048956692).
102031012012 is a wasteful number, since it uses less digits than its factorization.
102031012012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31924665 (or 31924663 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 102031012012 its reverse (210210130201), we get a palindrome (312241142213).
The spelling of 102031012012 in words is "one hundred two billion, thirty-one million, twelve thousand, twelve".
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