Base | Representation |
---|---|
bin | 101000101100011000… |
… | …0110010010101110110 |
3 | 22100120020221021210122 |
4 | 1101120300302111312 |
5 | 2412432430430123 |
6 | 104051251251542 |
7 | 6212366151335 |
oct | 1213060622566 |
9 | 270506837718 |
10 | 87388530038 |
11 | 34074602057 |
12 | 14b2a2a9bb2 |
13 | 8318a94694 |
14 | 4330151d1c |
15 | 2416e82bc8 |
hex | 1458c32576 |
87388530038 has 32 divisors (see below), whose sum is σ = 138506734080. Its totient is φ = 41270056960.
The previous prime is 87388529989. The next prime is 87388530059. The reversal of 87388530038 is 83003588378.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502198 + ... + 1559286.
It is an arithmetic number, because the mean of its divisors is an integer number (4328335440).
Almost surely, 287388530038 is an apocalyptic number.
87388530038 is a deficient number, since it is larger than the sum of its proper divisors (51118204042).
87388530038 is a wasteful number, since it uses less digits than its factorization.
87388530038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57532.
The product of its (nonzero) digits is 3870720, while the sum is 53.
The spelling of 87388530038 in words is "eighty-seven billion, three hundred eighty-eight million, five hundred thirty thousand, thirty-eight".
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