Base | Representation |
---|---|
bin | 1001010101010101111101… |
… | …00001111100101011010100 |
3 | 2200200010110012102012211200 |
4 | 10222222332201330223110 |
5 | 10142233234334414422 |
6 | 111352503115432500 |
7 | 4215564330055665 |
oct | 452527641745324 |
9 | 80603405365750 |
10 | 20524550310612 |
11 | 65a345a638237 |
12 | 2375966455730 |
13 | b5b5c274980a |
14 | 50d571c0b36c |
15 | 258d55e602ac |
hex | 12aabe87cad4 |
20524550310612 has 36 divisors (see below), whose sum is σ = 52395180422676. Its totient is φ = 6773778979200.
The previous prime is 20524550310599. The next prime is 20524550310613. The reversal of 20524550310612 is 21601305542502.
20524550310612 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 4 + 5 + 5 + 0 + 31 + 0 + 612 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 18595379319696 + 1929170990916 = 4312236^2 + 1388946^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20524550310613) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2822404273 + ... + 2822411544.
Almost surely, 220524550310612 is an apocalyptic number.
It is an amenable number.
20524550310612 is an abundant number, since it is smaller than the sum of its proper divisors (31870630112064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20524550310612 is a wasteful number, since it uses less digits than its factorization.
20524550310612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5644815928 (or 5644815923 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
The spelling of 20524550310612 in words is "twenty trillion, five hundred twenty-four billion, five hundred fifty million, three hundred ten thousand, six hundred twelve".
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