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210030531130 = 257353221799
BaseRepresentation
bin1100001110011011001…
…0111001001000111010
3202002010101111110110101
43003212302321020322
511420120303444010
6240253043110014
721113516026000
oct3034662711072
9662111443411
10210030531130
1181089839752
123485697230a
1316a624392b4
14a246310a70
1556e3d6373a
hex30e6cb923a

210030531130 has 96 divisors (see below), whose sum is σ = 449376480000. Its totient is φ = 70648538688.

The previous prime is 210030531119. The next prime is 210030531167. The reversal of 210030531130 is 31135030012.

210030531130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2100305311302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210030531098 and 210030531107.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9623971 + ... + 9645769.

It is an arithmetic number, because the mean of its divisors is an integer number (4681005000).

Almost surely, 2210030531130 is an apocalyptic number.

210030531130 is an abundant number, since it is smaller than the sum of its proper divisors (239345948870).

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

210030531130 is an equidigital number, since it uses as much as digits as its factorization.

210030531130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21933 (or 21866 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 210030531130 its reverse (31135030012), we get a palindrome (241165561142).

The spelling of 210030531130 in words is "two hundred ten billion, thirty million, five hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 53 70 98 106 245 265 343 371 490 530 686 742 1715 1855 2597 2809 3430 3710 5194 5618 12985 14045 18179 19663 21799 25970 28090 36358 39326 43598 90895 98315 108995 137641 152593 181790 196630 217990 275282 305186 688205 762965 963487 1068151 1155347 1376410 1525930 1926974 2136302 2310694 4817435 5340755 5776735 7477057 8087429 9634870 10681510 11553470 14954114 16174858 37385285 40437145 56612003 61233391 74770570 80874290 113224006 122466782 283060015 306166955 396284021 428633737 566120030 612333910 792568042 857267474 1981420105 2143168685 3000436159 3962840210 4286337370 6000872318 15002180795 21003053113 30004361590 42006106226 105015265565 210030531130