Base | Representation |
---|---|
bin | 10111011000100000… |
… | …11110001101101111 |
3 | 1012101212221210112022 |
4 | 23230100132031233 |
5 | 201202220110011 |
6 | 5433404500355 |
7 | 623043324260 |
oct | 135420361557 |
9 | 35355853468 |
10 | 12553675631 |
11 | 536224a342 |
12 | 252424a6bb |
13 | 1250a91043 |
14 | 871386967 |
15 | 4d718c8db |
hex | 2ec41e36f |
12553675631 has 16 divisors (see below), whose sum is σ = 14604585216. Its totient is φ = 10568105856.
The previous prime is 12553675613. The next prime is 12553675639. The reversal of 12553675631 is 13657635521.
It is a de Polignac number, because none of the positive numbers 2k-12553675631 is a prime.
It is a super-4 number, since 4×125536756314 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12553675639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118340 + ... + 197766.
It is an arithmetic number, because the mean of its divisors is an integer number (912786576).
Almost surely, 212553675631 is an apocalyptic number.
12553675631 is a deficient number, since it is larger than the sum of its proper divisors (2050909585).
12553675631 is an equidigital number, since it uses as much as digits as its factorization.
12553675631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79838.
The product of its digits is 567000, while the sum is 44.
The spelling of 12553675631 in words is "twelve billion, five hundred fifty-three million, six hundred seventy-five thousand, six hundred thirty-one".
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