Base | Representation |
---|---|
bin | 101111110000010110111001… |
… | …110000011111111110101010 |
3 | 1000112122210112021100221101220 |
4 | 233300112321300133332222 |
5 | 210012123111413144204 |
6 | 2022411015224322510 |
7 | 62145155466432150 |
oct | 5760267160377652 |
9 | 1015583467327356 |
10 | 210031312240554 |
11 | 60a16863289122 |
12 | 1b681585613436 |
13 | 9026b38611a9c |
14 | 39c17d95873d0 |
15 | 19435e2e181d9 |
hex | bf05b9c1ffaa |
210031312240554 has 32 divisors (see below), whose sum is σ = 485855565672960. Its totient is φ = 59285946999792.
The previous prime is 210031312240531. The next prime is 210031312240567. The reversal of 210031312240554 is 455042213130012.
It is a super-2 number, since 2×2100313122405542 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30124969584 + ... + 30124976555.
It is an arithmetic number, because the mean of its divisors is an integer number (15182986427280).
Almost surely, 2210031312240554 is an apocalyptic number.
210031312240554 is an abundant number, since it is smaller than the sum of its proper divisors (275824253432406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210031312240554 is a wasteful number, since it uses less digits than its factorization.
210031312240554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60249946234.
The product of its (nonzero) digits is 28800, while the sum is 33.
Adding to 210031312240554 its reverse (455042213130012), we get a palindrome (665073525370566).
The spelling of 210031312240554 in words is "two hundred ten trillion, thirty-one billion, three hundred twelve million, two hundred forty thousand, five hundred fifty-four".
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