Base | Representation |
---|---|
bin | 1011000110111110110000… |
… | …0111101010101001100101 |
3 | 1121020200220020020220200022 |
4 | 2301233230013222221211 |
5 | 3100110401141031310 |
6 | 41551142143124525 |
7 | 2400321010210043 |
oct | 261575407525145 |
9 | 47220806226608 |
10 | 12214553455205 |
11 | 398a187aa1332 |
12 | 14533192a3745 |
13 | 6a7a9ab9a9ca |
14 | 30328a885393 |
15 | 162addd9ea55 |
hex | b1bec1eaa65 |
12214553455205 has 8 divisors (see below), whose sum is σ = 14692279978104. Its totient is φ = 9748432209600.
The previous prime is 12214553455199. The next prime is 12214553455249. The reversal of 12214553455205 is 50255435541221.
It can be written as a sum of positive squares in 4 ways, for example, as 658592302369 + 11555961152836 = 811537^2 + 3399406^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12214553455205 - 24 = 12214553455189 is a prime.
It is a super-2 number, since 2×122145534552052 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2901317006 + ... + 2901321215.
It is an arithmetic number, because the mean of its divisors is an integer number (1836534997263).
Almost surely, 212214553455205 is an apocalyptic number.
It is an amenable number.
12214553455205 is a deficient number, since it is larger than the sum of its proper divisors (2477726522899).
12214553455205 is an equidigital number, since it uses as much as digits as its factorization.
12214553455205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5802638647.
The product of its (nonzero) digits is 1200000, while the sum is 44.
Adding to 12214553455205 its reverse (50255435541221), we get a palindrome (62469988996426).
The spelling of 12214553455205 in words is "twelve trillion, two hundred fourteen billion, five hundred fifty-three million, four hundred fifty-five thousand, two hundred five".
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