Base | Representation |
---|---|
bin | 1001001100111001110010… |
… | …10010010011001101011000 |
3 | 2122122101220201111011211110 |
4 | 10212130321102103031120 |
5 | 10123010330304430130 |
6 | 111011342550100320 |
7 | 4155620030256225 |
oct | 446347122231530 |
9 | 78571821434743 |
10 | 20234552030040 |
11 | 64a147511a867 |
12 | 232971264a6a0 |
13 | b3a157a8abaa |
14 | 4dd50115894c |
15 | 25153189dab0 |
hex | 126739493358 |
20234552030040 has 128 divisors (see below), whose sum is σ = 62942835916800. Its totient is φ = 5198403432960.
The previous prime is 20234552030039. The next prime is 20234552030081. The reversal of 20234552030040 is 4003025543202.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 11366395 + ... + 13025514.
It is an arithmetic number, because the mean of its divisors is an integer number (491740905600).
Almost surely, 220234552030040 is an apocalyptic number.
20234552030040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20234552030040 is an abundant number, since it is smaller than the sum of its proper divisors (42708283886760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20234552030040 is a wasteful number, since it uses less digits than its factorization.
20234552030040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24392177 (or 24392173 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 30.
Adding to 20234552030040 its reverse (4003025543202), we get a palindrome (24237577573242).
The spelling of 20234552030040 in words is "twenty trillion, two hundred thirty-four billion, five hundred fifty-two million, thirty thousand, forty".
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