Base | Representation |
---|---|
bin | 10010111011011110… |
… | …101100100100010101 |
3 | 1221110111112221211201 |
4 | 102323132230210111 |
5 | 313111231133240 |
6 | 13200504432501 |
7 | 1316451551335 |
oct | 227336544425 |
9 | 57414487751 |
10 | 20325255445 |
11 | 8690093280 |
12 | 3b32a78731 |
13 | 1bbbba8c91 |
14 | dab5910c5 |
15 | 7de5b7d9a |
hex | 4bb7ac915 |
20325255445 has 16 divisors (see below), whose sum is σ = 27058587840. Its totient is φ = 14531459200.
The previous prime is 20325255443. The next prime is 20325255463. The reversal of 20325255445 is 54455252302.
It is not a de Polignac number, because 20325255445 - 21 = 20325255443 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20325255443) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 3128536 + ... + 3135025.
It is an arithmetic number, because the mean of its divisors is an integer number (1691161740).
Almost surely, 220325255445 is an apocalyptic number.
It is an amenable number.
20325255445 is a deficient number, since it is larger than the sum of its proper divisors (6733332395).
20325255445 is a wasteful number, since it uses less digits than its factorization.
20325255445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6263636.
The product of its (nonzero) digits is 240000, while the sum is 37.
The spelling of 20325255445 in words is "twenty billion, three hundred twenty-five million, two hundred fifty-five thousand, four hundred forty-five".
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