Base | Representation |
---|---|
bin | 10010110111001110… |
… | …111000001110000000 |
3 | 1221021112110210202011 |
4 | 102313032320032000 |
5 | 312440011000000 |
6 | 13145441302304 |
7 | 1314625105453 |
oct | 226716701600 |
9 | 57245423664 |
10 | 20254000000 |
11 | 8653944a83 |
12 | 3b13034994 |
13 | 1baa1babb0 |
14 | da1d2349a |
15 | 7d81e02ba |
hex | 4b73b8380 |
20254000000 has 448 divisors, whose sum is σ = 58569562800. Its totient is φ = 6912000000.
The previous prime is 20253999991. The next prime is 20254000003. The reversal of 20254000000 is 45202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20254000003) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 493999980 + ... + 494000020.
Almost surely, 220254000000 is an apocalyptic number.
20254000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20254000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29284781400).
20254000000 is an abundant number, since it is smaller than the sum of its proper divisors (38315562800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20254000000 is an frugal number, since it uses more digits than its factorization.
20254000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117 (or 80 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 13.
Adding to 20254000000 its reverse (45202), we get a palindrome (20254045202).
It can be divided in two parts, 2025 and 4000000, that multiplied together give a 4-th power (8100000000 = 3004).
The spelling of 20254000000 in words is "twenty billion, two hundred fifty-four million", and thus it is an aban number.
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