Base | Representation |
---|---|
bin | 1001001101000111101101… |
… | …0001110111100111111110 |
3 | 1022211120002200012201210100 |
4 | 2103101323101313213332 |
5 | 2311310312333344410 |
6 | 33305310043421530 |
7 | 2063135044005564 |
oct | 223217321674776 |
9 | 38746080181710 |
10 | 10121011231230 |
11 | 3252329a93129 |
12 | 117562a2248a6 |
13 | 58553a9b2b63 |
14 | 26dc068a7a34 |
15 | 12840da978c0 |
hex | 9347b4779fe |
10121011231230 has 48 divisors (see below), whose sum is σ = 26317545770880. Its totient is φ = 2698637193024.
The previous prime is 10121011231223. The next prime is 10121011231291. The reversal of 10121011231230 is 3213211012101.
10121011231230 is a `hidden beast` number, since 1 + 0 + 1 + 210 + 112 + 312 + 30 = 666.
It is a super-3 number, since 3×101210112312303 (a number of 40 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5414862 + ... + 7040081.
It is an arithmetic number, because the mean of its divisors is an integer number (548282203560).
Almost surely, 210121011231230 is an apocalyptic number.
10121011231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10121011231230 is an abundant number, since it is smaller than the sum of its proper divisors (16196534539650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10121011231230 is a wasteful number, since it uses less digits than its factorization.
10121011231230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12463985 (or 12463982 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 10121011231230 its reverse (3213211012101), we get a palindrome (13334222243331).
The spelling of 10121011231230 in words is "ten trillion, one hundred twenty-one billion, eleven million, two hundred thirty-one thousand, two hundred thirty".
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