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2101140320 = 25531423617
BaseRepresentation
bin111110100111100…
…1101101101100000
312102102122222122212
41331033031231200
513300342442240
6544254421252
7103032253346
oct17517155540
95372588585
102101140320
11989047904
124a7801828
132763c9bc6
1415d0a5996
15c46e0165
hex7d3cdb60

2101140320 has 48 divisors (see below), whose sum is σ = 5124083328. Its totient is φ = 813342720.

The previous prime is 2101140299. The next prime is 2101140329. The reversal of 2101140320 is 230411012.

It is a junction number, because it is equal to n+sod(n) for n = 2101140295 and 2101140304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101140329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206849 + ... + 216768.

It is an arithmetic number, because the mean of its divisors is an integer number (106751736).

Almost surely, 22101140320 is an apocalyptic number.

2101140320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101140320 is an abundant number, since it is smaller than the sum of its proper divisors (3022943008).

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

2101140320 is a wasteful number, since it uses less digits than its factorization.

2101140320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423663 (or 423655 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2101140320 is about 45838.1971722274. The cubic root of 2101140320 is about 1280.8109119398.

Adding to 2101140320 its reverse (230411012), we get a palindrome (2331551332).

The spelling of 2101140320 in words is "two billion, one hundred one million, one hundred forty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 620 992 1240 2480 4960 423617 847234 1694468 2118085 3388936 4236170 6777872 8472340 13132127 13555744 16944680 26264254 33889360 52528508 65660635 67778720 105057016 131321270 210114032 262642540 420228064 525285080 1050570160 2101140320