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2101235320 = 235127413629
BaseRepresentation
bin111110100111110…
…0100111001111000
312102102211210222101
41331033210321320
513300404012240
6544300433144
7103033130332
oct17517447170
95372753871
102101235320
11989102218
124a78487b4
13276431212
1415d0cc452
15c470d39a
hex7d3e4e78

2101235320 has 32 divisors (see below), whose sum is σ = 4765017600. Its totient is φ = 833874048.

The previous prime is 2101235303. The next prime is 2101235321. The reversal of 2101235320 is 235321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101235321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201735 + ... + 211894.

It is an arithmetic number, because the mean of its divisors is an integer number (148906800).

Almost surely, 22101235320 is an apocalyptic number.

2101235320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101235320 is an abundant number, since it is smaller than the sum of its proper divisors (2663782280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101235320 is a wasteful number, since it uses less digits than its factorization.

2101235320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413767 (or 413763 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2101235320 is about 45839.2334141835. The cubic root of 2101235320 is about 1280.8302149823.

Adding to 2101235320 its reverse (235321012), we get a palindrome (2336556332).

The spelling of 2101235320 in words is "two billion, one hundred one million, two hundred thirty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 127 254 508 635 1016 1270 2540 5080 413629 827258 1654516 2068145 3309032 4136290 8272580 16545160 52530883 105061766 210123532 262654415 420247064 525308830 1050617660 2101235320