Base | Representation |
---|---|
bin | 11000100111010011… |
… | …11001011001111001 |
3 | 1021002221200212200111 |
4 | 30103221321121321 |
5 | 204030422331100 |
6 | 10023135504321 |
7 | 645320455201 |
oct | 142351713171 |
9 | 37087625614 |
10 | 13214652025 |
11 | 5671365723 |
12 | 26896880a1 |
13 | 13279b9133 |
14 | 8d5083401 |
15 | 5252026ba |
hex | 313a79679 |
13214652025 has 27 divisors (see below), whose sum is σ = 16646064141. Its totient is φ = 10406646240.
The previous prime is 13214652013. The next prime is 13214652049. The reversal of 13214652025 is 52025641231.
The square root of 13214652025 is 114955.
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 3028190841 + 10186461184 = 55029^2 + 100928^2 .
It is not a de Polignac number, because 13214652025 - 225 = 13181097593 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47706187 + ... + 47706463.
Almost surely, 213214652025 is an apocalyptic number.
13214652025 is the 114955-th square number.
13214652025 is the 57478-th centered octagonal number.
It is an amenable number.
13214652025 is a deficient number, since it is larger than the sum of its proper divisors (3431412116).
13214652025 is an frugal number, since it uses more digits than its factorization.
13214652025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 730 (or 365 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 31.
Multiplying 13214652025 by its product of nonzero digits (14400), we get a square (190290989160000 = 137946002).
The spelling of 13214652025 in words is "thirteen billion, two hundred fourteen million, six hundred fifty-two thousand, twenty-five".
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