Base | Representation |
---|---|
bin | 101000101111111101… |
… | …0001000100101000110 |
3 | 22100212121112101012012 |
4 | 1101133322020211012 |
5 | 2413204123432214 |
6 | 104111213054222 |
7 | 6215353206434 |
oct | 1213772104506 |
9 | 270777471165 |
10 | 87508420934 |
11 | 34126249940 |
12 | 14b62487372 |
13 | 8337880a3c |
14 | 434203dd54 |
15 | 242276603e |
hex | 145fe88946 |
87508420934 has 16 divisors (see below), whose sum is σ = 143200138896. Its totient is φ = 39775293600.
The previous prime is 87508420931. The next prime is 87508420943. The reversal of 87508420934 is 43902480578.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87508420931) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351304 + ... + 1414580.
It is an arithmetic number, because the mean of its divisors is an integer number (8950008681).
Almost surely, 287508420934 is an apocalyptic number.
87508420934 is a deficient number, since it is larger than the sum of its proper divisors (55691717962).
87508420934 is a wasteful number, since it uses less digits than its factorization.
87508420934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126151.
The product of its (nonzero) digits is 1935360, while the sum is 50.
The spelling of 87508420934 in words is "eighty-seven billion, five hundred eight million, four hundred twenty thousand, nine hundred thirty-four".
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