Base | Representation |
---|---|
bin | 101111111110000000… |
… | …0000001011011110000 |
3 | 100211220002110111021120 |
4 | 1133330000001123300 |
5 | 3141432100041422 |
6 | 115153443022240 |
7 | 10304510335320 |
oct | 1377400013360 |
9 | 324802414246 |
10 | 103012112112 |
11 | 3a761719558 |
12 | 17b6a66a980 |
13 | 9938874cc0 |
14 | 4db30db280 |
15 | 2a2d8c245c |
hex | 17fc0016f0 |
103012112112 has 80 divisors (see below), whose sum is σ = 327525703680. Its totient is φ = 27168028416.
The previous prime is 103012112107. The next prime is 103012112213. The reversal of 103012112112 is 211211210301.
It is a super-2 number, since 2×1030121121122 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103012112091 and 103012112100.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 11787312 + ... + 11796047.
It is an arithmetic number, because the mean of its divisors is an integer number (4094071296).
Almost surely, 2103012112112 is an apocalyptic number.
103012112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103012112112 is an abundant number, since it is smaller than the sum of its proper divisors (224513591568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103012112112 is a wasteful number, since it uses less digits than its factorization.
103012112112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23583390 (or 23583384 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 103012112112 its reverse (211211210301), we get a palindrome (314223322413).
It can be divided in two parts, 10301 and 2112112, that multiplied together give a palindrome (21756865712).
The spelling of 103012112112 in words is "one hundred three billion, twelve million, one hundred twelve thousand, one hundred twelve".
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