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210004230140 = 225617148111491
BaseRepresentation
bin1100001110010100111…
…0100011111111111100
3202002001120000020021122
43003211032203333330
511420042040331030
6240250303250112
721113046334505
oct3034516437774
9662046006248
10210004230140
1181075a053a1
1234849ba9938
1316a59b5ab93
14a242a25bac
1556e18ba8e5
hex30e53a3ffc

210004230140 has 48 divisors (see below), whose sum is σ = 442060373664. Its totient is φ = 83801625600.

The previous prime is 210004230097. The next prime is 210004230151. The reversal of 210004230140 is 41032400012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18269795 + ... + 18281285.

It is an arithmetic number, because the mean of its divisors is an integer number (9209591118).

Almost surely, 2210004230140 is an apocalyptic number.

210004230140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210004230140 is an abundant number, since it is smaller than the sum of its proper divisors (232056143524).

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

210004230140 is a wasteful number, since it uses less digits than its factorization.

210004230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13598 (or 13596 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 210004230140 its reverse (41032400012), we get a palindrome (251036630152).

The spelling of 210004230140 in words is "two hundred ten billion, four million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 617 1234 1481 2468 2962 3085 5924 6170 7405 11491 12340 14810 22982 29620 45964 57455 114910 229820 913777 1827554 3655108 4568885 7089947 9137770 14179894 17018171 18275540 28359788 34036342 35449735 68072684 70899470 85090855 141798940 170181710 340363420 10500211507 21000423014 42000846028 52501057535 105002115070 210004230140