Base | Representation |
---|---|
bin | 101000101000100111… |
… | …1010110011100101000 |
3 | 22100020110110101101012 |
4 | 1101101033112130220 |
5 | 2412203123341040 |
6 | 104030542243052 |
7 | 6206304343250 |
oct | 1212117263450 |
9 | 270213411335 |
10 | 87262324520 |
11 | 3400a341a78 |
12 | 14ab3b86488 |
13 | 82c88a7067 |
14 | 431b49c960 |
15 | 240ad53865 |
hex | 14513d6728 |
87262324520 has 32 divisors (see below), whose sum is σ = 224388835200. Its totient is φ = 29918511168.
The previous prime is 87262324489. The next prime is 87262324529. The reversal of 87262324520 is 2542326278.
It is a super-2 number, since 2×872623245202 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87262324529) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 155825300 + ... + 155825859.
It is an arithmetic number, because the mean of its divisors is an integer number (7012151100).
Almost surely, 287262324520 is an apocalyptic number.
It is an amenable number.
87262324520 is an abundant number, since it is smaller than the sum of its proper divisors (137126510680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87262324520 is a wasteful number, since it uses less digits than its factorization.
87262324520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311651177 (or 311651173 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 41.
The spelling of 87262324520 in words is "eighty-seven billion, two hundred sixty-two million, three hundred twenty-four thousand, five hundred twenty".
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