Base | Representation |
---|---|
bin | 101000101101100000… |
… | …1111111001011010100 |
3 | 22100122220120010001012 |
4 | 1101123001333023110 |
5 | 2413022201442432 |
6 | 104055131151352 |
7 | 6213340532450 |
oct | 1213301771324 |
9 | 270586503035 |
10 | 87426593492 |
11 | 3409403a757 |
12 | 14b3aba5558 |
13 | 8323930934 |
14 | 433521d660 |
15 | 241a4a0cb2 |
hex | 145b07f2d4 |
87426593492 has 12 divisors (see below), whose sum is σ = 174853187040. Its totient is φ = 37468540056.
The previous prime is 87426593491. The next prime is 87426593563. The reversal of 87426593492 is 29439562478.
87426593492 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87426593491) 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 3 ways as a sum of consecutive naturals, for example, 1561189142 + ... + 1561189197.
It is an arithmetic number, because the mean of its divisors is an integer number (14571098920).
Almost surely, 287426593492 is an apocalyptic number.
It is an amenable number.
87426593492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87426593492 is a wasteful number, since it uses less digits than its factorization.
87426593492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3122378350 (or 3122378348 counting only the distinct ones).
The product of its digits is 26127360, while the sum is 59.
The spelling of 87426593492 in words is "eighty-seven billion, four hundred twenty-six million, five hundred ninety-three thousand, four hundred ninety-two".
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