Base | Representation |
---|---|
bin | 10011010000010110… |
… | …100000111010000110 |
3 | 1222100220110202212100 |
4 | 103100112200322012 |
5 | 314320402311240 |
6 | 13255334132530 |
7 | 1331233162416 |
oct | 232026407206 |
9 | 58326422770 |
10 | 20675432070 |
11 | 884a819147 |
12 | 40101b1146 |
13 | 1c465c4697 |
14 | 1001ca6646 |
15 | 8101d8e30 |
hex | 4d05a0e86 |
20675432070 has 96 divisors (see below), whose sum is σ = 55595704320. Its totient is φ = 5327749440.
The previous prime is 20675432069. The next prime is 20675432077. The reversal of 20675432070 is 7023457602.
It is a happy number.
20675432070 is a `hidden beast` number, since 20 + 6 + 7 + 543 + 20 + 70 = 666.
20675432070 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20675432077) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303235 + ... + 365105.
It is an arithmetic number, because the mean of its divisors is an integer number (579121920).
Almost surely, 220675432070 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20675432070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27797852160).
20675432070 is an abundant number, since it is smaller than the sum of its proper divisors (34920272250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20675432070 is a wasteful number, since it uses less digits than its factorization.
20675432070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62010 (or 62007 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 36.
Adding to 20675432070 its reverse (7023457602), we get a palindrome (27698889672).
The spelling of 20675432070 in words is "twenty billion, six hundred seventy-five million, four hundred thirty-two thousand, seventy".
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