Base | Representation |
---|---|
bin | 1011111010110000001… |
… | …1110101011001111000 |
3 | 201120111101112021020202 |
4 | 2332230003311121320 |
5 | 11323312014233430 |
6 | 234021054141332 |
7 | 20535620360420 |
oct | 2765403653170 |
9 | 646441467222 |
10 | 204750149240 |
11 | 7991a13767a |
12 | 338224b1848 |
13 | 1640048b280 |
14 | 9ca4d05480 |
15 | 54d54c5d45 |
hex | 2fac0f5678 |
204750149240 has 64 divisors (see below), whose sum is σ = 567000423360. Its totient is φ = 64800046080.
The previous prime is 204750149221. The next prime is 204750149251. The reversal of 204750149240 is 42941057402.
It is a super-2 number, since 2×2047501492402 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 204750149194 and 204750149203.
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, 28121381 + ... + 28128660.
It is an arithmetic number, because the mean of its divisors is an integer number (8859381615).
Almost surely, 2204750149240 is an apocalyptic number.
204750149240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
204750149240 is an abundant number, since it is smaller than the sum of its proper divisors (362250274120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204750149240 is a wasteful number, since it uses less digits than its factorization.
204750149240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56250072 (or 56250068 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 38.
The spelling of 204750149240 in words is "two hundred four billion, seven hundred fifty million, one hundred forty-nine thousand, two hundred forty".
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