Base | Representation |
---|---|
bin | 11001011001001011000… |
… | …10101010011111111100 |
3 | 10002102002121010012100122 |
4 | 30230211202222133330 |
5 | 103243344100030202 |
6 | 1504454050514112 |
7 | 120015365242601 |
oct | 14544542523774 |
9 | 3072077105318 |
10 | 872508205052 |
11 | 307035154400 |
12 | 121121295938 |
13 | 6437ac37013 |
14 | 303301266a8 |
15 | 17a68bee9a2 |
hex | cb258aa7fc |
872508205052 has 36 divisors (see below), whose sum is σ = 1678762412208. Its totient is φ = 396489244800.
The previous prime is 872508205031. The next prime is 872508205097. The reversal of 872508205052 is 250502805278.
It is a super-2 number, since 2×8725082050522 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a junction number, because it is equal to n+sod(n) for n = 872508204994 and 872508205012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1598177 + ... + 2073447.
It is an arithmetic number, because the mean of its divisors is an integer number (46632289228).
Almost surely, 2872508205052 is an apocalyptic number.
It is an amenable number.
872508205052 is a deficient number, since it is larger than the sum of its proper divisors (806254207156).
872508205052 is a wasteful number, since it uses less digits than its factorization.
872508205052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479090 (or 479077 counting only the distinct ones).
The product of its (nonzero) digits is 448000, while the sum is 44.
The spelling of 872508205052 in words is "eight hundred seventy-two billion, five hundred eight million, two hundred five thousand, fifty-two".
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