Base | Representation |
---|---|
bin | 1011001011011000101000… |
… | …1100011110001100101001 |
3 | 1121111221012120010120112211 |
4 | 2302312022030132030221 |
5 | 3102330332302142311 |
6 | 42050014335005121 |
7 | 2405640051656131 |
oct | 262661214361451 |
9 | 47457176116484 |
10 | 12290219959081 |
11 | 3a09286841659 |
12 | 1465b159697a1 |
13 | 6b1c69285c1c |
14 | 306bc7c97ac1 |
15 | 164a6bbbe821 |
hex | b2d8a31e329 |
12290219959081 has 9 divisors (see below), whose sum is σ = 12326960659741. Its totient is φ = 12253588471372.
The previous prime is 12290219959057. The next prime is 12290219959133. The reversal of 12290219959081 is 18095991209221.
The square root of 12290219959081 is 3505741.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 12290219959081 - 243 = 3494126936873 is a prime.
It is a super-2 number, since 2×122902199590812 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12290219959001) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1216487076 + ... + 1216497178.
Almost surely, 212290219959081 is an apocalyptic number.
12290219959081 is the 3505741-st square number.
12290219959081 is the 1752871-st centered octagonal number.
It is an amenable number.
12290219959081 is a deficient number, since it is larger than the sum of its proper divisors (36740700660).
12290219959081 is an frugal number, since it uses more digits than its factorization.
12290219959081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20900 (or 10450 counting only the distinct ones).
The product of its (nonzero) digits is 2099520, while the sum is 58.
The spelling of 12290219959081 in words is "twelve trillion, two hundred ninety billion, two hundred nineteen million, nine hundred fifty-nine thousand, eighty-one".
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