Base | Representation |
---|---|
bin | 10011111001000111111111… |
… | …000001111101111010001111 |
3 | 102110202211000201200221221102 |
4 | 103321013333001331322033 |
5 | 42431402340143324111 |
6 | 510023351441053315 |
7 | 24266555533121351 |
oct | 2371077701757217 |
9 | 373684021627842 |
10 | 87488467558031 |
11 | 25970718131601 |
12 | 998ba2692723b |
13 | 39a81862aa547 |
14 | 17866705410d1 |
15 | a1ab985a613b |
hex | 4f91ff07de8f |
87488467558031 has 4 divisors (see below), whose sum is σ = 89622332620464. Its totient is φ = 85354602495600.
The previous prime is 87488467557973. The next prime is 87488467558043. The reversal of 87488467558031 is 13085576488478.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 87488467558031 - 222 = 87488463363727 is a prime.
It is a super-2 number, since 2×874884675580312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87488467558031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87488467558631) 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, 1066932531155 + ... + 1066932531236.
It is an arithmetic number, because the mean of its divisors is an integer number (22405583155116).
Almost surely, 287488467558031 is an apocalyptic number.
87488467558031 is a deficient number, since it is larger than the sum of its proper divisors (2133865062433).
87488467558031 is a wasteful number, since it uses less digits than its factorization.
87488467558031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2133865062432.
The product of its (nonzero) digits is 1445068800, while the sum is 74.
The spelling of 87488467558031 in words is "eighty-seven trillion, four hundred eighty-eight billion, four hundred sixty-seven million, five hundred fifty-eight thousand, thirty-one".
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