Base | Representation |
---|---|
bin | 101000101011111110… |
… | …1001101010010000101 |
3 | 22100112022111100021210 |
4 | 1101113331031102011 |
5 | 2412421000241101 |
6 | 104050045402033 |
7 | 6212143215165 |
oct | 1212775152205 |
9 | 270468440253 |
10 | 87375008901 |
11 | 34067a07464 |
12 | 14b25869319 |
13 | 831603c1cb |
14 | 432c4325a5 |
15 | 2415bb17d6 |
hex | 1457f4d485 |
87375008901 has 16 divisors (see below), whose sum is σ = 122711191040. Its totient is φ = 55148396400.
The previous prime is 87375008873. The next prime is 87375008923. The reversal of 87375008901 is 10980057378.
It is not a de Polignac number, because 87375008901 - 214 = 87374992517 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87375008951) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 408775 + ... + 584676.
It is an arithmetic number, because the mean of its divisors is an integer number (7669449440).
Almost surely, 287375008901 is an apocalyptic number.
It is an amenable number.
87375008901 is a deficient number, since it is larger than the sum of its proper divisors (35336182139).
87375008901 is a wasteful number, since it uses less digits than its factorization.
87375008901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 995016.
The product of its (nonzero) digits is 423360, while the sum is 48.
The spelling of 87375008901 in words is "eighty-seven billion, three hundred seventy-five million, eight thousand, nine hundred one".
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