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302003213130 = 23451721931969
BaseRepresentation
bin1000110010100001100…
…10110101001101001010
31001212112010022210120000
410121100302311031022
514422000310310010
6350423252543430
730550630646013
oct4312062651512
91055463283500
10302003213130
11107095a38a43
124a644321b76
132262bb5c618
141088d1d600a
157cc84a87c0
hex4650cb534a

302003213130 has 80 divisors (see below), whose sum is σ = 859820951880. Its totient is φ = 75796881408.

The previous prime is 302003213119. The next prime is 302003213131. The reversal of 302003213130 is 31312300203.

302003213130 is a `hidden beast` number, since 30 + 2 + 0 + 0 + 321 + 313 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 301964537169 + 38675961 = 549513^2 + 6219^2 .

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

It is not an unprimeable number, because it can be changed into a prime (302003213131) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 10952215 + ... + 10979754.

Almost surely, 2302003213130 is an apocalyptic number.

302003213130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302003213130 is an abundant number, since it is smaller than the sum of its proper divisors (557817738750).

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

302003213130 is a wasteful number, since it uses less digits than its factorization.

302003213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21932005 (or 21931996 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 302003213130 its reverse (31312300203), we get a palindrome (333315513333).

The spelling of 302003213130 in words is "three hundred two billion, three million, two hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 81 85 90 102 135 153 162 170 255 270 306 405 459 510 765 810 918 1377 1530 2295 2754 4590 6885 13770 21931969 43863938 65795907 109659845 131591814 197387721 219319690 328979535 372843473 394775442 592163163 657959070 745686946 986938605 1118530419 1184326326 1776489489 1864217365 1973877210 2237060838 2960815815 3355591257 3552978978 3728434730 5592652095 5921631630 6711182514 8882447445 10066773771 11185304190 16777956285 17764894890 20133547542 30200321313 33555912570 50333868855 60400642626 100667737710 151001606565 302003213130