Base | Representation |
---|---|
bin | 1011100011011001010000… |
… | …0010001001111011111001 |
3 | 1122222100220010122121000121 |
4 | 2320312110002021323321 |
5 | 3131110113140342400 |
6 | 43003312442133241 |
7 | 2450511536342200 |
oct | 270662402117371 |
9 | 48870803577017 |
10 | 12702701887225 |
11 | 4058205069349 |
12 | 1511a511b1221 |
13 | 711b2385425c |
14 | 31cb57a88237 |
15 | 17065e2d221a |
hex | b8d94089ef9 |
12702701887225 has 81 divisors (see below), whose sum is σ = 18572280260877. Its totient is φ = 8593493650560.
The previous prime is 12702701887171. The next prime is 12702701887273. The reversal of 12702701887225 is 52278810720721.
The square root of 12702701887225 is 3564085.
It is a perfect power (a square), and thus also a powerful number.
12702701887225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 472489889641 + 12230211997584 = 687379^2 + 3497172^2 .
It is not a de Polignac number, because 12702701887225 - 211 = 12702701885177 is a prime.
It is a super-2 number, since 2×127027018872252 (a number of 27 digits) contains 22 as substring.
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, 9854694381 + ... + 9854695669.
Almost surely, 212702701887225 is an apocalyptic number.
12702701887225 is the 3564085-th square number.
12702701887225 is the 1782043-rd centered octagonal number.
It is an amenable number.
12702701887225 is a deficient number, since it is larger than the sum of its proper divisors (5869578373652).
12702701887225 is an frugal number, since it uses more digits than its factorization.
12702701887225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2760 (or 1380 counting only the distinct ones).
The product of its (nonzero) digits is 1756160, while the sum is 52.
The spelling of 12702701887225 in words is "twelve trillion, seven hundred two billion, seven hundred one million, eight hundred eighty-seven thousand, two hundred twenty-five".
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