Base | Representation |
---|---|
bin | 110100100010010… |
… | …100101001001001 |
3 | 2021102112101220010 |
4 | 310202110221021 |
5 | 3301120201211 |
6 | 223243422133 |
7 | 30561612162 |
oct | 6442245111 |
9 | 2242471803 |
10 | 881412681 |
11 | 412597436 |
12 | 207224949 |
13 | 1107b9286 |
14 | 850bc769 |
15 | 525a94a6 |
hex | 34894a49 |
881412681 has 4 divisors (see below), whose sum is σ = 1175216912. Its totient is φ = 587608452.
The previous prime is 881412659. The next prime is 881412733. The reversal of 881412681 is 186214188.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 881412681 - 218 = 881150537 is a prime.
It is a super-2 number, since 2×8814126812 = 1553776628455215522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (881412611) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146902111 + ... + 146902116.
It is an arithmetic number, because the mean of its divisors is an integer number (293804228).
Almost surely, 2881412681 is an apocalyptic number.
It is an amenable number.
881412681 is a deficient number, since it is larger than the sum of its proper divisors (293804231).
881412681 is a wasteful number, since it uses less digits than its factorization.
881412681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293804230.
The product of its digits is 24576, while the sum is 39.
The square root of 881412681 is about 29688.5951334852. The cubic root of 881412681 is about 958.7964811869.
The spelling of 881412681 in words is "eight hundred eighty-one million, four hundred twelve thousand, six hundred eighty-one".
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