Base | Representation |
---|---|
bin | 100101010001011001… |
… | …000110111100011101 |
3 | 10211022002010221120210 |
4 | 211101121012330131 |
5 | 1123430140222310 |
6 | 30215100403033 |
7 | 2614511305656 |
oct | 452131067435 |
9 | 124262127523 |
10 | 40020242205 |
11 | 15a77424339 |
12 | 790a846479 |
13 | 3a0a31bcb8 |
14 | 1d1915a52d |
15 | 1093684820 |
hex | 951646f1d |
40020242205 has 32 divisors (see below), whose sum is σ = 67504324608. Its totient is φ = 20216116800.
The previous prime is 40020242191. The next prime is 40020242221. The reversal of 40020242205 is 50224202004.
40020242205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 40020242205 - 24 = 40020242189 is a prime.
It is a super-2 number, since 2×400202422052 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 893731 + ... + 937440.
It is an arithmetic number, because the mean of its divisors is an integer number (2109510144).
Almost surely, 240020242205 is an apocalyptic number.
It is an amenable number.
40020242205 is a deficient number, since it is larger than the sum of its proper divisors (27484082403).
40020242205 is a wasteful number, since it uses less digits than its factorization.
40020242205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1831257.
The product of its (nonzero) digits is 1280, while the sum is 21.
Adding to 40020242205 its reverse (50224202004), we get a palindrome (90244444209).
The spelling of 40020242205 in words is "forty billion, twenty million, two hundred forty-two thousand, two hundred five".
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