Base | Representation |
---|---|
bin | 1100011000100001000000110… |
… | …0010010110100101001011000 |
3 | 11020021022010222220100102020200 |
4 | 3012020100030102310221120 |
5 | 1403203143424343024423 |
6 | 12325134335041022200 |
7 | 351354103264430145 |
oct | 30610201422645130 |
9 | 4207263886312220 |
10 | 871380351142488 |
11 | 232715371421190 |
12 | 81893424624960 |
13 | 2b52aa78697955 |
14 | 115270695253cc |
15 | 6ab1908da8d43 |
hex | 318840c4b4a58 |
871380351142488 has 192 divisors, whose sum is σ = 2726684724741120. Its totient is φ = 248457408998400.
The previous prime is 871380351142459. The next prime is 871380351142549. The reversal of 871380351142488 is 884241153083178.
871380351142488 is a `hidden beast` number, since 8 + 7 + 1 + 3 + 8 + 0 + 3 + 5 + 1 + 142 + 488 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43384353 + ... + 60207663.
It is an arithmetic number, because the mean of its divisors is an integer number (14201482941360).
Almost surely, 2871380351142488 is an apocalyptic number.
871380351142488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 871380351142488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363342362370560).
871380351142488 is an abundant number, since it is smaller than the sum of its proper divisors (1855304373598632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
871380351142488 is a wasteful number, since it uses less digits than its factorization.
871380351142488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16827198 (or 16827191 counting only the distinct ones).
The product of its (nonzero) digits is 41287680, while the sum is 63.
The spelling of 871380351142488 in words is "eight hundred seventy-one trillion, three hundred eighty billion, three hundred fifty-one million, one hundred forty-two thousand, four hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •