Base | Representation |
---|---|
bin | 10010111001101011… |
… | …100101101000000010 |
3 | 1221101101202220112022 |
4 | 102321223211220002 |
5 | 313031020033300 |
6 | 13153510001442 |
7 | 1315634223521 |
oct | 227153455002 |
9 | 57341686468 |
10 | 20295080450 |
11 | 8675053367 |
12 | 3b24946282 |
13 | 1bb5872458 |
14 | da75784b8 |
15 | 7dbb07285 |
hex | 4b9ae5a02 |
20295080450 has 18 divisors (see below), whose sum is σ = 37750723401. Its totient is φ = 8117629240.
The previous prime is 20295080431. The next prime is 20295080459. The reversal of 20295080450 is 5408059202.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 19889178841 + 405901609 = 141029^2 + 20147^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=100735.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20295080450.
It is not an unprimeable number, because it can be changed into a prime (20295080459) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 997277 + ... + 1017423.
Almost surely, 220295080450 is an apocalyptic number.
20295080450 is a deficient number, since it is larger than the sum of its proper divisors (17455642951).
20295080450 is an frugal number, since it uses more digits than its factorization.
20295080450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40306 (or 20154 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 35.
Multiplying 20295080450 by its product of nonzero digits (28800), we get a square (584498316960000 = 241764002).
The spelling of 20295080450 in words is "twenty billion, two hundred ninety-five million, eighty thousand, four hundred fifty".
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