Base | Representation |
---|---|
bin | 10010111010111011… |
… | …100000000001110101 |
3 | 1221102212012012121012 |
4 | 102322323200001311 |
5 | 313101400412140 |
6 | 13155535002005 |
7 | 1316310253244 |
oct | 227273400165 |
9 | 57385165535 |
10 | 20316029045 |
11 | 8685961354 |
12 | 3b2b969305 |
13 | 1bb9cc8580 |
14 | daa26c95b |
15 | 7dd894265 |
hex | 4baee0075 |
20316029045 has 16 divisors (see below), whose sum is σ = 26415645312. Its totient is φ = 14910557760.
The previous prime is 20316029029. The next prime is 20316029057. The reversal of 20316029045 is 54092061302.
It is a happy number.
It is not a de Polignac number, because 20316029045 - 24 = 20316029029 is a prime.
It is a super-2 number, since 2×203160290452 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948161 + ... + 969350.
It is an arithmetic number, because the mean of its divisors is an integer number (1650977832).
Almost surely, 220316029045 is an apocalyptic number.
It is an amenable number.
20316029045 is a deficient number, since it is larger than the sum of its proper divisors (6099616267).
20316029045 is a wasteful number, since it uses less digits than its factorization.
20316029045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1917692.
The product of its (nonzero) digits is 12960, while the sum is 32.
The spelling of 20316029045 in words is "twenty billion, three hundred sixteen million, twenty-nine thousand, forty-five".
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