Base | Representation |
---|---|
bin | 10111001001100001… |
… | …01011101000101001 |
3 | 1012002010021210211110 |
4 | 23210300223220221 |
5 | 200423020321411 |
6 | 5413113020533 |
7 | 616655263632 |
oct | 134460535051 |
9 | 35063253743 |
10 | 12427901481 |
11 | 52a8254366 |
12 | 24aa0b4749 |
13 | 12309c4b78 |
14 | 85c7a6889 |
15 | 4cb0e62a6 |
hex | 2e4c2ba29 |
12427901481 has 8 divisors (see below), whose sum is σ = 16571076480. Its totient is φ = 8284997072.
The previous prime is 12427901461. The next prime is 12427901503. The reversal of 12427901481 is 18410972421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12427901481 - 25 = 12427901449 is a prime.
It is a super-2 number, since 2×124279014812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12427901461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96256 + ... + 184718.
It is an arithmetic number, because the mean of its divisors is an integer number (2071384560).
Almost surely, 212427901481 is an apocalyptic number.
It is an amenable number.
12427901481 is a deficient number, since it is larger than the sum of its proper divisors (4143174999).
12427901481 is an equidigital number, since it uses as much as digits as its factorization.
12427901481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135295.
The product of its (nonzero) digits is 32256, while the sum is 39.
The spelling of 12427901481 in words is "twelve billion, four hundred twenty-seven million, nine hundred one thousand, four hundred eighty-one".
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