Base | Representation |
---|---|
bin | 10010110000000110… |
… | …000010001111011000 |
3 | 1220222012010102121112 |
4 | 102300012002033120 |
5 | 312213331204430 |
6 | 13125522355452 |
7 | 1311642140531 |
oct | 226006021730 |
9 | 56865112545 |
10 | 20134241240 |
11 | 85a22884a3 |
12 | 3a9aabbb88 |
13 | 1b8b449a19 |
14 | d9006b688 |
15 | 7cc936195 |
hex | 4b01823d8 |
20134241240 has 32 divisors (see below), whose sum is σ = 45356896080. Its totient is φ = 8043944832.
The previous prime is 20134241219. The next prime is 20134241263. The reversal of 20134241240 is 4214243102.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271247 + ... + 337406.
Almost surely, 220134241240 is an apocalyptic number.
20134241240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20134241240 is an abundant number, since it is smaller than the sum of its proper divisors (25222654840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20134241240 is a wasteful number, since it uses less digits than its factorization.
20134241240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 609491 (or 609487 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 20134241240 its reverse (4214243102), we get a palindrome (24348484342).
The spelling of 20134241240 in words is "twenty billion, one hundred thirty-four million, two hundred forty-one thousand, two hundred forty".
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