Base | Representation |
---|---|
bin | 100100001100010… |
… | …1111001110100111 |
3 | 10010122012011121021 |
4 | 1020120233032213 |
5 | 4441344210310 |
6 | 320301432011 |
7 | 42044415250 |
oct | 11030571647 |
9 | 3118164537 |
10 | 1214444455 |
11 | 573582104 |
12 | 29a86b607 |
13 | 1647b0cb3 |
14 | b740db27 |
15 | 719405da |
hex | 4862f3a7 |
1214444455 has 32 divisors (see below), whose sum is σ = 1734157440. Its totient is φ = 798819840.
The previous prime is 1214444443. The next prime is 1214444461. The reversal of 1214444455 is 5544444121.
It is not a de Polignac number, because 1214444455 - 25 = 1214444423 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1214444455.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155545 + ... + 163165.
It is an arithmetic number, because the mean of its divisors is an integer number (54192420).
Almost surely, 21214444455 is an apocalyptic number.
1214444455 is a deficient number, since it is larger than the sum of its proper divisors (519712985).
1214444455 is a wasteful number, since it uses less digits than its factorization.
1214444455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7819.
The product of its digits is 51200, while the sum is 34.
The square root of 1214444455 is about 34848.8802546079. The cubic root of 1214444455 is about 1066.9053316320.
Adding to 1214444455 its reverse (5544444121), we get a palindrome (6758888576).
The spelling of 1214444455 in words is "one billion, two hundred fourteen million, four hundred forty-four thousand, four hundred fifty-five".
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