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2051301200 = 245213394481
BaseRepresentation
bin111101001000100…
…0101111101010000
312021221212220020112
41322101011331100
513200113114300
6535314300452
7101555525654
oct17221057520
95257786215
102051301200
119629a6a53
12492b87728
13268c99ac0
14156610a64
15c0147e35
hex7a445f50

2051301200 has 60 divisors (see below), whose sum is σ = 5307360828. Its totient is φ = 757401600.

The previous prime is 2051301181. The next prime is 2051301221. The reversal of 2051301200 is 21031502.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 225961024 + 1825340176 = 15032^2 + 42724^2 .

It is a super-2 number, since 2×20513012002 = 8415673226242880000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192041 + ... + 202440.

Almost surely, 22051301200 is an apocalyptic number.

2051301200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051301200 is an abundant number, since it is smaller than the sum of its proper divisors (3256059628).

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

2051301200 is a wasteful number, since it uses less digits than its factorization.

2051301200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394512 (or 394501 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2051301200 is about 45291.2927614128. The cubic root of 2051301200 is about 1270.6028097020.

Adding to 2051301200 its reverse (21031502), we get a palindrome (2072332702).

The spelling of 2051301200 in words is "two billion, fifty-one million, three hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 394481 788962 1577924 1972405 3155848 3944810 5128253 6311696 7889620 9862025 10256506 15779240 19724050 20513012 25641265 31558480 39448100 41026024 51282530 78896200 82052048 102565060 128206325 157792400 205130120 256412650 410260240 512825300 1025650600 2051301200