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210230440230 = 235374715725667
BaseRepresentation
bin1100001111001010110…
…1011111000100100110
3202002122022122220012010
43003302231133010212
511421022443041410
6240324543535050
721121464154236
oct3036255370446
9662568586163
10210230440230
118118166a388
12348b18ba486
1316a949910c5
14a264aabcc6
1557066a0c20
hex30f2b5f126

210230440230 has 128 divisors (see below), whose sum is σ = 532606482432. Its totient is φ = 53043614208.

The previous prime is 210230440213. The next prime is 210230440249. The reversal of 210230440230 is 32044032012.

It is a junction number, because it is equal to n+sod(n) for n = 210230440197 and 210230440206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8177857 + ... + 8203523.

It is an arithmetic number, because the mean of its divisors is an integer number (4160988144).

Almost surely, 2210230440230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210230440230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266303241216).

210230440230 is an abundant number, since it is smaller than the sum of its proper divisors (322376042202).

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

210230440230 is a wasteful number, since it uses less digits than its factorization.

210230440230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25918.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 210230440230 its reverse (32044032012), we get a palindrome (242274472242).

The spelling of 210230440230 in words is "two hundred ten billion, two hundred thirty million, four hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 47 74 94 111 141 157 185 222 235 282 314 370 470 471 555 705 785 942 1110 1410 1570 1739 2355 3478 4710 5217 5809 7379 8695 10434 11618 14758 17390 17427 22137 25667 26085 29045 34854 36895 44274 51334 52170 58090 73790 77001 87135 110685 128335 154002 174270 221370 256670 273023 385005 546046 770010 819069 949679 1206349 1365115 1638138 1899358 2412698 2730230 2849037 3619047 4029719 4095345 4748395 5698074 6031745 7238094 8059438 8190690 9496790 12063490 12089157 14245185 18095235 20148595 24178314 28490370 36190470 40297190 44634913 60445785 89269826 120891570 133904739 149099603 189396793 223174565 267809478 298199206 378793586 446349130 447298809 568190379 669523695 745498015 894597618 946983965 1136380758 1339047390 1490996030 1893967930 2236494045 2840951895 4472988090 5681903790 7007681341 14015362682 21023044023 35038406705 42046088046 70076813410 105115220115 210230440230