Base | Representation |
---|---|
bin | 10111001011010000… |
… | …10111000111011010 |
3 | 1012010010202100210200 |
4 | 23211220113013122 |
5 | 200440234404443 |
6 | 5414353523030 |
7 | 620223324624 |
oct | 134550270732 |
9 | 35103670720 |
10 | 12442497498 |
11 | 5305513592 |
12 | 24b2b73476 |
13 | 1233a35672 |
14 | 8606c5c14 |
15 | 4cc52add3 |
hex | 2e5a171da |
12442497498 has 24 divisors (see below), whose sum is σ = 26968032000. Its totient is φ = 4146070344.
The previous prime is 12442497481. The next prime is 12442497517. The reversal of 12442497498 is 89479424421.
12442497498 is a `hidden beast` number, since 1 + 2 + 44 + 24 + 97 + 498 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64698 + ... + 170501.
It is an arithmetic number, because the mean of its divisors is an integer number (1123668000).
Almost surely, 212442497498 is an apocalyptic number.
12442497498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
12442497498 is an abundant number, since it is smaller than the sum of its proper divisors (14525534502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12442497498 is a wasteful number, since it uses less digits than its factorization.
12442497498 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238146 (or 238143 counting only the distinct ones).
The product of its digits is 4644864, while the sum is 54.
The spelling of 12442497498 in words is "twelve billion, four hundred forty-two million, four hundred ninety-seven thousand, four hundred ninety-eight".
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