Base | Representation |
---|---|
bin | 1001011010011100110001… |
… | …00101111010111000110010 |
3 | 2201021220100010000202121200 |
4 | 10231032120211322320302 |
5 | 10203122103403224121 |
6 | 112005241355432030 |
7 | 4234345324265421 |
oct | 455163045727062 |
9 | 81256303022550 |
10 | 20700007476786 |
11 | 66609076330a0 |
12 | 23a3972755616 |
13 | b7200516abc1 |
14 | 517c5854b2b8 |
15 | 25d6c4918a26 |
hex | 12d39897ae32 |
20700007476786 has 96 divisors (see below), whose sum is σ = 49016560140288. Its totient is φ = 6261288426720.
The previous prime is 20700007476683. The next prime is 20700007476787. The reversal of 20700007476786 is 68767470000702.
20700007476786 is a `hidden beast` number, since 20 + 70 + 0 + 0 + 0 + 7 + 476 + 7 + 86 = 666.
It is not an unprimeable number, because it can be changed into a prime (20700007476787) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 902224831 + ... + 902247773.
It is an arithmetic number, because the mean of its divisors is an integer number (510589168128).
Almost surely, 220700007476786 is an apocalyptic number.
20700007476786 is an abundant number, since it is smaller than the sum of its proper divisors (28316552663502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20700007476786 is a wasteful number, since it uses less digits than its factorization.
20700007476786 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31076 (or 31073 counting only the distinct ones).
The product of its (nonzero) digits is 5531904, while the sum is 54.
The spelling of 20700007476786 in words is "twenty trillion, seven hundred billion, seven million, four hundred seventy-six thousand, seven hundred eighty-six".
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