Base | Representation |
---|---|
bin | 1001011010110011111111… |
… | …01010110101001011010010 |
3 | 2201100002111221102201200200 |
4 | 10231121333222311023102 |
5 | 10203323121401014402 |
6 | 112015102421400030 |
7 | 4235266264061142 |
oct | 455317752651322 |
9 | 81302457381620 |
10 | 20712474235602 |
11 | 6666124807556 |
12 | 23a6271869016 |
13 | b73240c19476 |
14 | 5186bc14a922 |
15 | 25dba413821c |
hex | 12d67fab52d2 |
20712474235602 has 12 divisors (see below), whose sum is σ = 44877027510510. Its totient is φ = 6904158078528.
The previous prime is 20712474235571. The next prime is 20712474235603. The reversal of 20712474235602 is 20653247421702.
20712474235602 is a `hidden beast` number, since 2 + 0 + 7 + 1 + 2 + 4 + 7 + 4 + 2 + 35 + 602 = 666.
It can be written as a sum of positive squares in only one way, i.e., 15705535446441 + 5006938789161 = 3963021^2 + 2237619^2 .
It is not an unprimeable number, because it can be changed into a prime (20712474235603) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575346506527 + ... + 575346506562.
Almost surely, 220712474235602 is an apocalyptic number.
20712474235602 is an abundant number, since it is smaller than the sum of its proper divisors (24164553274908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20712474235602 is a wasteful number, since it uses less digits than its factorization.
20712474235602 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1150693013097 (or 1150693013094 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 45.
The spelling of 20712474235602 in words is "twenty trillion, seven hundred twelve billion, four hundred seventy-four million, two hundred thirty-five thousand, six hundred two".
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