Base | Representation |
---|---|
bin | 11001000001000000… |
… | …01100011101100111 |
3 | 1021122222022111000010 |
4 | 30200200030131213 |
5 | 210001113244310 |
6 | 10100400021303 |
7 | 653545631232 |
oct | 144040143547 |
9 | 37588274003 |
10 | 13430212455 |
11 | 5772006440 |
12 | 2729901833 |
13 | 1360560b9a |
14 | 915956419 |
15 | 5390d2320 |
hex | 32080c767 |
13430212455 has 64 divisors (see below), whose sum is σ = 24530231808. Its totient is φ = 6215938560.
The previous prime is 13430212441. The next prime is 13430212457. The reversal of 13430212455 is 55421203431.
It is not a de Polignac number, because 13430212455 - 28 = 13430212199 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13430212457) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 302812 + ... + 344318.
It is an arithmetic number, because the mean of its divisors is an integer number (383284872).
Almost surely, 213430212455 is an apocalyptic number.
13430212455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13430212455 is a deficient number, since it is larger than the sum of its proper divisors (11100019353).
13430212455 is a wasteful number, since it uses less digits than its factorization.
13430212455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41616.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 13430212455 its reverse (55421203431), we get a palindrome (68851415886).
The spelling of 13430212455 in words is "thirteen billion, four hundred thirty million, two hundred twelve thousand, four hundred fifty-five".
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