Base | Representation |
---|---|
bin | 10011000111110111… |
… | …001100001111110110 |
3 | 1221222222110122021000 |
4 | 103013313030033312 |
5 | 314022422101004 |
6 | 13233245304130 |
7 | 1324553435151 |
oct | 230767141766 |
9 | 57888418230 |
10 | 20533003254 |
11 | 8787388285 |
12 | 3b90565046 |
13 | 1c22c4698a |
14 | dcadccc98 |
15 | 802952c39 |
hex | 4c7dcc3f6 |
20533003254 has 32 divisors (see below), whose sum is σ = 45931092480. Its totient is φ = 6799005000.
The previous prime is 20533003247. The next prime is 20533003301. The reversal of 20533003254 is 45230033502.
20533003254 is a `hidden beast` number, since 2 + 0 + 5 + 330 + 0 + 325 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250922 + ... + 1267229.
It is an arithmetic number, because the mean of its divisors is an integer number (1435346640).
Almost surely, 220533003254 is an apocalyptic number.
20533003254 is an abundant number, since it is smaller than the sum of its proper divisors (25398089226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20533003254 is a wasteful number, since it uses less digits than its factorization.
20533003254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2518313 (or 2518307 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 27.
Adding to 20533003254 its reverse (45230033502), we get a palindrome (65763036756).
The spelling of 20533003254 in words is "twenty billion, five hundred thirty-three million, three thousand, two hundred fifty-four".
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