Base | Representation |
---|---|
bin | 1011110000000111100011… |
… | …1101001110010010001100 |
3 | 1200202021002222112002012122 |
4 | 2330001320331032102030 |
5 | 3143200300440112310 |
6 | 43251543100152112 |
7 | 2502350430552020 |
oct | 274017075162214 |
9 | 50667088462178 |
10 | 12921290941580 |
11 | 413198597418a |
12 | 1548296238638 |
13 | 72961b139478 |
14 | 3295728d0380 |
15 | 1761a46b9555 |
hex | bc078f4e48c |
12921290941580 has 48 divisors (see below), whose sum is σ = 32835280516416. Its totient is φ = 4169559429120.
The previous prime is 12921290941577. The next prime is 12921290941607. The reversal of 12921290941580 is 8514909212921.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2714554541 + ... + 2714559300.
It is an arithmetic number, because the mean of its divisors is an integer number (684068344092).
Almost surely, 212921290941580 is an apocalyptic number.
12921290941580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12921290941580 is an abundant number, since it is smaller than the sum of its proper divisors (19913989574836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12921290941580 is a wasteful number, since it uses less digits than its factorization.
12921290941580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5429113874 (or 5429113872 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 53.
The spelling of 12921290941580 in words is "twelve trillion, nine hundred twenty-one billion, two hundred ninety million, nine hundred forty-one thousand, five hundred eighty".
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