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2120251050 = 2325217277157
BaseRepresentation
bin111111001100000…
…0111011010101010
312110202121220122200
41332120013122222
513320241013200
6550220201030
7103353556641
oct17630073252
95422556580
102120251050
1199890aaa5
124b2099176
1327a35b628
1416183c358
15c6217800
hex7e6076aa

2120251050 has 72 divisors (see below), whose sum is σ = 6031512396. Its totient is φ = 532139520.

The previous prime is 2120251039. The next prime is 2120251069. The reversal of 2120251050 is 501520212.

It can be written as a sum of positive squares in 6 ways, for example, as 1017546201 + 1102704849 = 31899^2 + 33207^2 .

It is a super-2 number, since 2×21202510502 = 8990929030052205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 130929 + ... + 146228.

Almost surely, 22120251050 is an apocalyptic number.

2120251050 is an abundant number, since it is smaller than the sum of its proper divisors (3911261346).

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

2120251050 is a wasteful number, since it uses less digits than its factorization.

2120251050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277192 (or 277184 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2120251050 is about 46046.1838809689. The cubic root of 2120251050 is about 1284.6823643238.

Adding to 2120251050 its reverse (501520212), we get a palindrome (2621771262).

The spelling of 2120251050 in words is "two billion, one hundred twenty million, two hundred fifty-one thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 17 18 25 30 34 45 50 51 75 85 90 102 150 153 170 225 255 306 425 450 510 765 850 1275 1530 2550 3825 7650 277157 554314 831471 1385785 1662942 2494413 2771570 4157355 4711669 4988826 6928925 8314710 9423338 12472065 13857850 14135007 20786775 23558345 24944130 28270014 41573550 42405021 47116690 62360325 70675035 84810042 117791725 124720650 141350070 212025105 235583450 353375175 424050210 706750350 1060125525 2120251050