Base | Representation |
---|---|
bin | 10110110100110011… |
… | …01100100000000001 |
3 | 1011122000020221220011 |
4 | 23122121230200001 |
5 | 200044022303203 |
6 | 5343543544521 |
7 | 612445106266 |
oct | 133231544001 |
9 | 34560227804 |
10 | 12254103553 |
11 | 521913840a |
12 | 245ba5b141 |
13 | 12039b2c63 |
14 | 84368526d |
15 | 4bac1576d |
hex | 2da66c801 |
12254103553 has 32 divisors (see below), whose sum is σ = 13495818240. Its totient is φ = 11111031360.
The previous prime is 12254103517. The next prime is 12254103569. The reversal of 12254103553 is 35530145221.
It is not a de Polignac number, because 12254103553 - 213 = 12254095361 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is not an unprimeable number, because it can be changed into a prime (12254103853) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19990075 + ... + 19990687.
It is an arithmetic number, because the mean of its divisors is an integer number (421744320).
Almost surely, 212254103553 is an apocalyptic number.
It is an amenable number.
12254103553 is a deficient number, since it is larger than the sum of its proper divisors (1241714687).
12254103553 is an frugal number, since it uses more digits than its factorization.
12254103553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 766 (or 720 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 31.
Adding to 12254103553 its reverse (35530145221), we get a palindrome (47784248774).
The spelling of 12254103553 in words is "twelve billion, two hundred fifty-four million, one hundred three thousand, five hundred fifty-three".
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