Base | Representation |
---|---|
bin | 111111100000010… |
… | …1111100100101010 |
3 | 12111111200000001000 |
4 | 1333000233210222 |
5 | 13331002320130 |
6 | 551240335430 |
7 | 103543235130 |
oct | 17700574452 |
9 | 5444600030 |
10 | 2130901290 |
11 | 9a3924751 |
12 | 4b5774576 |
13 | 27c61a14b |
14 | 163011750 |
15 | c711d260 |
hex | 7f02f92a |
2130901290 has 64 divisors (see below), whose sum is σ = 6494181120. Its totient is φ = 487062720.
The previous prime is 2130901271. The next prime is 2130901291. The reversal of 2130901290 is 921090312.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2130901291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561841 + ... + 565620.
It is an arithmetic number, because the mean of its divisors is an integer number (101471580).
Almost surely, 22130901290 is an apocalyptic number.
2130901290 is an abundant number, since it is smaller than the sum of its proper divisors (4363279830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130901290 is a wasteful number, since it uses less digits than its factorization.
2130901290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1127484 (or 1127478 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 2130901290 is about 46161.6863860063. The cubic root of 2130901290 is about 1286.8298034564.
The spelling of 2130901290 in words is "two billion, one hundred thirty million, nine hundred one thousand, two hundred ninety".
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