Base | Representation |
---|---|
bin | 10111000110010000… |
… | …00101000011000110 |
3 | 1012000012200200020212 |
4 | 23203020011003012 |
5 | 200344010333304 |
6 | 5410253155422 |
7 | 616203226145 |
oct | 134310050306 |
9 | 35005620225 |
10 | 12400480454 |
11 | 529382555a |
12 | 24a0a8bb72 |
13 | 12281139cb |
14 | 858ca975c |
15 | 4c89cb66e |
hex | 2e32050c6 |
12400480454 has 8 divisors (see below), whose sum is σ = 19579706040. Its totient is φ = 5873911776.
The previous prime is 12400480441. The next prime is 12400480471. The reversal of 12400480454 is 45408400421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×124004804542 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12400480454.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163164179 + ... + 163164254.
It is an arithmetic number, because the mean of its divisors is an integer number (2447463255).
Almost surely, 212400480454 is an apocalyptic number.
12400480454 is a deficient number, since it is larger than the sum of its proper divisors (7179225586).
12400480454 is a wasteful number, since it uses less digits than its factorization.
12400480454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326328454.
The product of its (nonzero) digits is 20480, while the sum is 32.
Adding to 12400480454 its reverse (45408400421), we get a palindrome (57808880875).
The spelling of 12400480454 in words is "twelve billion, four hundred million, four hundred eighty thousand, four hundred fifty-four".
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