Base | Representation |
---|---|
bin | 10010101011001101… |
… | …001010100010011010 |
3 | 1220202110210112022200 |
4 | 102223031022202122 |
5 | 312031332133104 |
6 | 13113432431030 |
7 | 1306625043624 |
oct | 225315124232 |
9 | 56673715280 |
10 | 20052224154 |
11 | 855aa59886 |
12 | 3a77548476 |
13 | 1b774614c1 |
14 | d831dbc14 |
15 | 7c5634b39 |
hex | 4ab34a89a |
20052224154 has 24 divisors (see below), whose sum is σ = 44182869120. Its totient is φ = 6570784968.
The previous prime is 20052224147. The next prime is 20052224191. The reversal of 20052224154 is 45142225002.
20052224154 is a `hidden beast` number, since 20 + 0 + 5 + 222 + 415 + 4 = 666.
It is a super-2 number, since 2×200522241542 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9439722 + ... + 9441845.
It is an arithmetic number, because the mean of its divisors is an integer number (1840952880).
Almost surely, 220052224154 is an apocalyptic number.
20052224154 is an abundant number, since it is smaller than the sum of its proper divisors (24130644966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20052224154 is a wasteful number, since it uses less digits than its factorization.
20052224154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18881634 (or 18881631 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
Adding to 20052224154 its reverse (45142225002), we get a palindrome (65194449156).
It can be divided in two parts, 200522 and 24154, that added together give a square (224676 = 4742).
The spelling of 20052224154 in words is "twenty billion, fifty-two million, two hundred twenty-four thousand, one hundred fifty-four".
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