Base | Representation |
---|---|
bin | 10111001100010001… |
… | …10010111110101001 |
3 | 1012010201202100100210 |
4 | 23212020302332221 |
5 | 200444424001413 |
6 | 5415300051333 |
7 | 620355520140 |
oct | 134610627651 |
9 | 35121670323 |
10 | 12451000233 |
11 | 530a2a0841 |
12 | 24b5993b49 |
13 | 1235721879 |
14 | 86189a757 |
15 | 4cd15a3c3 |
hex | 2e6232fa9 |
12451000233 has 32 divisors (see below), whose sum is σ = 19239800832. Its totient is φ = 7015132800.
The previous prime is 12451000207. The next prime is 12451000279. The reversal of 12451000233 is 33200015421.
It is not a de Polignac number, because 12451000233 - 25 = 12451000201 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (12451000433) 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, 901248 + ... + 914958.
It is an arithmetic number, because the mean of its divisors is an integer number (601243776).
Almost surely, 212451000233 is an apocalyptic number.
It is an amenable number.
12451000233 is a deficient number, since it is larger than the sum of its proper divisors (6788800599).
12451000233 is a wasteful number, since it uses less digits than its factorization.
12451000233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14325.
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 12451000233 its reverse (33200015421), we get a palindrome (45651015654).
The spelling of 12451000233 in words is "twelve billion, four hundred fifty-one million, two hundred thirty-three", and thus it is an aban number.
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