Base | Representation |
---|---|
bin | 10110101010110111… |
… | …00101111110001100 |
3 | 1011102012100101022222 |
4 | 23111123211332030 |
5 | 144411200340040 |
6 | 5331404354512 |
7 | 610413241112 |
oct | 132533457614 |
9 | 34365311288 |
10 | 12170715020 |
11 | 5186062372 |
12 | 2437b45a38 |
13 | 11bc637429 |
14 | 836579ab2 |
15 | 4b3742bb5 |
hex | 2d56e5f8c |
12170715020 has 12 divisors (see below), whose sum is σ = 25558501584. Its totient is φ = 4868286000.
The previous prime is 12170715013. The next prime is 12170715047. The reversal of 12170715020 is 2051707121.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304267856 + ... + 304267895.
It is an arithmetic number, because the mean of its divisors is an integer number (2129875132).
Almost surely, 212170715020 is an apocalyptic number.
12170715020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12170715020 is an abundant number, since it is smaller than the sum of its proper divisors (13387786564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12170715020 is a wasteful number, since it uses less digits than its factorization.
12170715020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608535760 (or 608535758 counting only the distinct ones).
The product of its (nonzero) digits is 980, while the sum is 26.
The spelling of 12170715020 in words is "twelve billion, one hundred seventy million, seven hundred fifteen thousand, twenty".
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