Base | Representation |
---|---|
bin | 1011000000011111100011… |
… | …1111101010101010101000 |
3 | 1120212001012212111121220010 |
4 | 2300013320333222222220 |
5 | 3041244122134442412 |
6 | 41424030523331520 |
7 | 2356264052136126 |
oct | 260077077525250 |
9 | 46761185447803 |
10 | 12103100312232 |
11 | 3946994665416 |
12 | 14357b3980ba0 |
13 | 69a4186064b7 |
14 | 2dbb166b8916 |
15 | 15ec6941633c |
hex | b01f8feaaa8 |
12103100312232 has 64 divisors (see below), whose sum is σ = 30273050808000. Its totient is φ = 4032327348224.
The previous prime is 12103100312221. The next prime is 12103100312363. The reversal of 12103100312232 is 23221300130121.
It is a junction number, because it is equal to n+sod(n) for n = 12103100312199 and 12103100312208.
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, 435302443 + ... + 435330245.
It is an arithmetic number, because the mean of its divisors is an integer number (473016418875).
Almost surely, 212103100312232 is an apocalyptic number.
12103100312232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12103100312232 is an abundant number, since it is smaller than the sum of its proper divisors (18169950495768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12103100312232 is a wasteful number, since it uses less digits than its factorization.
12103100312232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36330 (or 36326 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12103100312232 its reverse (23221300130121), we get a palindrome (35324400442353).
The spelling of 12103100312232 in words is "twelve trillion, one hundred three billion, one hundred million, three hundred twelve thousand, two hundred thirty-two".
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