Base | Representation |
---|---|
bin | 100011111000011010101100… |
… | …001111000011001001101000 |
3 | 202200202100112010121212101010 |
4 | 203320122230033003021220 |
5 | 131141013431433001343 |
6 | 1315344132050423520 |
7 | 45145202450563314 |
oct | 4370325417031150 |
9 | 680670463555333 |
10 | 157808578015848 |
11 | 463122732575a1 |
12 | 15848439591ba0 |
13 | 6a09392353316 |
14 | 2ad7d93d44b44 |
15 | 1339e6b044d33 |
hex | 8f86ac3c3268 |
157808578015848 has 64 divisors (see below), whose sum is σ = 417732483692160. Its totient is φ = 49508111886336.
The previous prime is 157808578015801. The next prime is 157808578015853. The reversal of 157808578015848 is 848510875808751.
It is a self number, because there is not a number n which added to its sum of digits gives 157808578015848.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43396140 + ... + 46891812.
It is an arithmetic number, because the mean of its divisors is an integer number (6527070057690).
Almost surely, 2157808578015848 is an apocalyptic number.
It is an amenable number.
157808578015848 is an abundant number, since it is smaller than the sum of its proper divisors (259923905676312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157808578015848 is a wasteful number, since it uses less digits than its factorization.
157808578015848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3606346 (or 3606342 counting only the distinct ones).
The product of its (nonzero) digits is 802816000, while the sum is 75.
The spelling of 157808578015848 in words is "one hundred fifty-seven trillion, eight hundred eight billion, five hundred seventy-eight million, fifteen thousand, eight hundred forty-eight".
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