Base | Representation |
---|---|
bin | 10011000010100111… |
… | …110010101011110110 |
3 | 1221202212000200122200 |
4 | 103002213302223312 |
5 | 313332420032220 |
6 | 13220425005330 |
7 | 1322435213064 |
oct | 230247625366 |
9 | 57685020580 |
10 | 20445080310 |
11 | 8741795496 |
12 | 3b67023846 |
13 | 1c0a971275 |
14 | dbd463034 |
15 | 7e9d86890 |
hex | 4c29f2af6 |
20445080310 has 48 divisors (see below), whose sum is σ = 53168132160. Its totient is φ = 5450901120.
The previous prime is 20445080251. The next prime is 20445080329. The reversal of 20445080310 is 1308054402.
20445080310 is a `hidden beast` number, since 204 + 450 + 8 + 0 + 3 + 1 + 0 = 666.
It is a super-2 number, since 2×204450803102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476130 + ... + 517290.
It is an arithmetic number, because the mean of its divisors is an integer number (1107669420).
Almost surely, 220445080310 is an apocalyptic number.
20445080310 is an abundant number, since it is smaller than the sum of its proper divisors (32723051850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20445080310 is a wasteful number, since it uses less digits than its factorization.
20445080310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46693 (or 46690 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The spelling of 20445080310 in words is "twenty billion, four hundred forty-five million, eighty thousand, three hundred ten".
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