Base | Representation |
---|---|
bin | 11111011011001101010… |
… | …100010110111010100000 |
3 | 21122110002112120111021212 |
4 | 133123031110112322200 |
5 | 240340143132423413 |
6 | 4332022522405252 |
7 | 312006606150200 |
oct | 37331524267240 |
9 | 7573075514255 |
10 | 2159518248608 |
11 | 762934830aa6 |
12 | 2aa642360828 |
13 | 128845a680a6 |
14 | 767423dc400 |
15 | 3b292508ca8 |
hex | 1f6cd516ea0 |
2159518248608 has 72 divisors (see below), whose sum is σ = 4952563560000. Its totient is φ = 924220123008.
The previous prime is 2159518248551. The next prime is 2159518248653. The reversal of 2159518248608 is 8068428159512.
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, 169643 + ... + 2085141.
It is an arithmetic number, because the mean of its divisors is an integer number (68785605000).
Almost surely, 22159518248608 is an apocalyptic number.
2159518248608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2159518248608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476281780000).
2159518248608 is an abundant number, since it is smaller than the sum of its proper divisors (2793045311392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2159518248608 is a wasteful number, since it uses less digits than its factorization.
2159518248608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1916242 (or 1916227 counting only the distinct ones).
The product of its (nonzero) digits is 11059200, while the sum is 59.
The spelling of 2159518248608 in words is "two trillion, one hundred fifty-nine billion, five hundred eighteen million, two hundred forty-eight thousand, six hundred eight".
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