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2135071200 = 253522273919
BaseRepresentation
bin111111101000010…
…1001100111100000
312111210111212002010
41333100221213200
513333034234300
6551505552520
7103623543243
oct17720514740
95453455063
102135071200
119a6212659
124b7045740
1328044a152
141637b925a
15c7693a50
hex7f4299e0

2135071200 has 144 divisors (see below), whose sum is σ = 6982053120. Its totient is φ = 566699520.

The previous prime is 2135071193. The next prime is 2135071247. The reversal of 2135071200 is 21705312.

2135071200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542841 + ... + 546759.

It is an arithmetic number, because the mean of its divisors is an integer number (48486480).

Almost surely, 22135071200 is an apocalyptic number.

2135071200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135071200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3491026560).

2135071200 is an abundant number, since it is smaller than the sum of its proper divisors (4846981920).

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

2135071200 is a wasteful number, since it uses less digits than its factorization.

2135071200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169 (or 4156 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2135071200 is about 46206.8306638748. The cubic root of 2135071200 is about 1287.6686453923.

Adding to 2135071200 its reverse (21705312), we get a palindrome (2156776512).

The spelling of 2135071200 in words is "two billion, one hundred thirty-five million, seventy-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 227 240 300 400 454 480 600 681 800 908 1135 1200 1362 1816 2270 2400 2724 3405 3632 3919 4540 5448 5675 6810 7264 7838 9080 10896 11350 11757 13620 15676 17025 18160 19595 21792 22700 23514 27240 31352 34050 36320 39190 45400 47028 54480 58785 62704 68100 78380 90800 94056 97975 108960 117570 125408 136200 156760 181600 188112 195950 235140 272400 293925 313520 376224 391900 470280 544800 587850 627040 783800 889613 940560 1175700 1567600 1779226 1881120 2351400 2668839 3135200 3558452 4448065 4702800 5337678 7116904 8896130 9405600 10675356 13344195 14233808 17792260 21350712 22240325 26688390 28467616 35584520 42701424 44480650 53376780 66720975 71169040 85402848 88961300 106753560 133441950 142338080 177922600 213507120 266883900 355845200 427014240 533767800 711690400 1067535600 2135071200