Base | Representation |
---|---|
bin | 1011000000011111101001… |
… | …0011100010110001100000 |
3 | 1120212001021101212201102220 |
4 | 2300013322103202301200 |
5 | 3041244143302100000 |
6 | 41424033030511040 |
7 | 2356264440054324 |
oct | 260077223426140 |
9 | 46761241781386 |
10 | 12103122300000 |
11 | 39469a6013126 |
12 | 14357bb205480 |
13 | 69a420034604 |
14 | 2dbb1959d984 |
15 | 15ec6b30b1a0 |
hex | b01fa4e2c60 |
12103122300000 has 432 divisors, whose sum is σ = 41034122679312. Its totient is φ = 3123312000000.
The previous prime is 12103122299999. The next prime is 12103122300023. The reversal of 12103122300000 is 322130121.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
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 71 ways as a sum of consecutive naturals, for example, 288279010 + ... + 288320990.
It is an arithmetic number, because the mean of its divisors is an integer number (94986395091).
Almost surely, 212103122300000 is an apocalyptic number.
12103122300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12103122300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20517061339656).
12103122300000 is an abundant number, since it is smaller than the sum of its proper divisors (28931000379312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12103122300000 is an frugal number, since it uses more digits than its factorization.
12103122300000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42081 (or 42022 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 12103122300000 its reverse (322130121), we get a palindrome (12103444430121).
The spelling of 12103122300000 in words is "twelve trillion, one hundred three billion, one hundred twenty-two million, three hundred thousand".
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