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2000213930 = 2511133145121
BaseRepresentation
bin111011100111000…
…1101011110101010
312011101202101200102
41313032031132222
513044023321210
6530251305402
7100365352331
oct16716153652
95141671612
102000213930
11937083370
12479a4b262
1325b520850
1414d912d18
15ba905ea5
hex7738d7aa

2000213930 has 64 divisors (see below), whose sum is σ = 4366365696. Its totient is φ = 649728000.

The previous prime is 2000213927. The next prime is 2000213933. The reversal of 2000213930 is 393120002.

It is an interprime number because it is at equal distance from previous prime (2000213927) and next prime (2000213933).

It is not an unprimeable number, because it can be changed into a prime (2000213933) 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 31 ways as a sum of consecutive naturals, for example, 21770 + ... + 66890.

It is an arithmetic number, because the mean of its divisors is an integer number (68224464).

Almost surely, 22000213930 is an apocalyptic number.

2000213930 is an abundant number, since it is smaller than the sum of its proper divisors (2366151766).

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

2000213930 is a wasteful number, since it uses less digits than its factorization.

2000213930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45183.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2000213930 is about 44723.7512961514. The cubic root of 2000213930 is about 1259.9659707783.

Adding to 2000213930 its reverse (393120002), we get a palindrome (2393333932).

The spelling of 2000213930 in words is "two billion, two hundred thirteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 31 55 62 65 110 130 143 155 286 310 341 403 682 715 806 1430 1705 2015 3410 4030 4433 8866 22165 44330 45121 90242 225605 451210 496331 586573 992662 1173146 1398751 2481655 2797502 2932865 4963310 5865730 6452303 6993755 12904606 13987510 15386261 18183763 30772522 32261515 36367526 64523030 76931305 90918815 153862610 181837630 200021393 400042786 1000106965 2000213930