Base | Representation |
---|---|
bin | 101000101000010110… |
… | …1110100101011111100 |
3 | 22100012211220212002100 |
4 | 1101100231310223330 |
5 | 2412143401113414 |
6 | 104030030025100 |
7 | 6206136546243 |
oct | 1212055645374 |
9 | 270184825070 |
10 | 87253535484 |
11 | 34005389705 |
12 | 14ab1048190 |
13 | 82c6b1a74b |
14 | 431a25195a |
15 | 240a1b9609 |
hex | 1450b74afc |
87253535484 has 36 divisors (see below), whose sum is σ = 225686797336. Its totient is φ = 28408127328.
The previous prime is 87253535477. The next prime is 87253535543. The reversal of 87253535484 is 48453535278.
87253535484 is a `hidden beast` number, since 8 + 7 + 25 + 3 + 535 + 4 + 84 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×872535354842 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 87253535484.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 28181119 + ... + 28184214.
Almost surely, 287253535484 is an apocalyptic number.
It is an amenable number.
87253535484 is an abundant number, since it is smaller than the sum of its proper divisors (138433261852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87253535484 is a wasteful number, since it uses less digits than its factorization.
87253535484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56365386 (or 56365381 counting only the distinct ones).
The product of its digits is 16128000, while the sum is 54.
The spelling of 87253535484 in words is "eighty-seven billion, two hundred fifty-three million, five hundred thirty-five thousand, four hundred eighty-four".
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