Base | Representation |
---|---|
bin | 1010111100101100100110… |
… | …1000110101101000001001 |
3 | 1120121210212122101222111111 |
4 | 2233023021220311220021 |
5 | 3034212040102223400 |
6 | 41334043141330321 |
7 | 2351464630446661 |
oct | 257131150655011 |
9 | 46553778358444 |
10 | 12037881289225 |
11 | 3921267185100 |
12 | 14250321069a1 |
13 | 69422383291c |
14 | 2d88caa2d1a1 |
15 | 15d1ed8e63ba |
hex | af2c9a35a09 |
12037881289225 has 81 divisors (see below), whose sum is σ = 16542380615061. Its totient is φ = 8683349716800.
The previous prime is 12037881289219. The next prime is 12037881289243. The reversal of 12037881289225 is 52298218873021.
The square root of 12037881289225 is 3469565.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 4859039888329 + 7178841400896 = 2204323^2 + 2679336^2 .
It is not a de Polignac number, because 12037881289225 - 219 = 12037880764937 is a prime.
It is a super-2 number, since 2×120378812892252 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12037881289225.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 37974388767 + ... + 37974389083.
Almost surely, 212037881289225 is an apocalyptic number.
12037881289225 is the 3469565-th square number.
12037881289225 is the 1734783-rd centered octagonal number.
It is an amenable number.
12037881289225 is a deficient number, since it is larger than the sum of its proper divisors (4504499325836).
12037881289225 is an frugal number, since it uses more digits than its factorization.
12037881289225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1064 (or 532 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 58.
The spelling of 12037881289225 in words is "twelve trillion, thirty-seven billion, eight hundred eighty-one million, two hundred eighty-nine thousand, two hundred twenty-five".
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