Base | Representation |
---|---|
bin | 1001011010110011111110… |
… | …11011110110111101110010 |
3 | 2201100002111200001022211112 |
4 | 10231121333123312331302 |
5 | 10203323114344421040 |
6 | 112015102201313322 |
7 | 4235266215523400 |
oct | 455317733667562 |
9 | 81302450038745 |
10 | 20712470310770 |
11 | 6666122576797 |
12 | 23a6270495842 |
13 | b73240173b94 |
14 | 5186bb808470 |
15 | 25dba3b10365 |
hex | 12d67f6f6f72 |
20712470310770 has 48 divisors (see below), whose sum is σ = 43377487011648. Its totient is φ = 7100090373600.
The previous prime is 20712470310769. The next prime is 20712470310809. The reversal of 20712470310770 is 7701307421702.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1327772 + ... + 6571751.
It is an arithmetic number, because the mean of its divisors is an integer number (903697646076).
Almost surely, 220712470310770 is an apocalyptic number.
20712470310770 is an abundant number, since it is smaller than the sum of its proper divisors (22665016700878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20712470310770 is a wasteful number, since it uses less digits than its factorization.
20712470310770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7904895 (or 7904888 counting only the distinct ones).
The product of its (nonzero) digits is 115248, while the sum is 41.
The spelling of 20712470310770 in words is "twenty trillion, seven hundred twelve billion, four hundred seventy million, three hundred ten thousand, seven hundred seventy".
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