Base | Representation |
---|---|
bin | 101000111100110110… |
… | …1110010000010111111 |
3 | 22101222210020111211001 |
4 | 1101321231302002333 |
5 | 2420100443444102 |
6 | 104222201111131 |
7 | 6232161325444 |
oct | 1217155620277 |
9 | 271883214731 |
10 | 87941390527 |
11 | 34328693351 |
12 | 150634884a7 |
13 | 83a6496b73 |
14 | 43837479cb |
15 | 244a78d487 |
hex | 1479b720bf |
87941390527 has 4 divisors (see below), whose sum is σ = 87942097120. Its totient is φ = 87940683936.
The previous prime is 87941390513. The next prime is 87941390533. The reversal of 87941390527 is 72509314978.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72509314978 = 2 ⋅36254657489.
It is a cyclic number.
It is not a de Polignac number, because 87941390527 - 227 = 87807172799 is a prime.
It is a super-3 number, since 3×879413905273 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87941390597) 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, 111402 + ... + 433927.
It is an arithmetic number, because the mean of its divisors is an integer number (21985524280).
Almost surely, 287941390527 is an apocalyptic number.
87941390527 is a deficient number, since it is larger than the sum of its proper divisors (706593).
87941390527 is a wasteful number, since it uses less digits than its factorization.
87941390527 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 706592.
The product of its (nonzero) digits is 3810240, while the sum is 55.
The spelling of 87941390527 in words is "eighty-seven billion, nine hundred forty-one million, three hundred ninety thousand, five hundred twenty-seven".
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