Search a number
-
+
613225112140 = 2251710924168659
BaseRepresentation
bin10001110110001110001…
…00001010001001001100
32011121211201020100202101
420323013010022021030
540021341112042030
61145413422204444
762206201310164
oct10730704121114
92147751210671
10613225112140
11217081653043
129aa1ba23724
1345a99869754
142197488b5a4
1510e40e397ca
hex8ec710a24c

613225112140 has 96 divisors (see below), whose sum is σ = 1381763275200. Its totient is φ = 227790766080.

The previous prime is 613225112057. The next prime is 613225112209. The reversal of 613225112140 is 41211522316.

It is a junction number, because it is equal to n+sod(n) for n = 613225112099 and 613225112108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8897131 + ... + 8965789.

It is an arithmetic number, because the mean of its divisors is an integer number (14393367450).

Almost surely, 2613225112140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613225112140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690881637600).

613225112140 is an abundant number, since it is smaller than the sum of its proper divisors (768538163060).

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

613225112140 is a wasteful number, since it uses less digits than its factorization.

613225112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69035 (or 69033 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 613225112140 its reverse (41211522316), we get a palindrome (654436634456).

The spelling of 613225112140 in words is "six hundred thirteen billion, two hundred twenty-five million, one hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 109 170 218 241 340 436 482 545 964 1090 1205 1853 2180 2410 3706 4097 4820 7412 8194 9265 16388 18530 20485 26269 37060 40970 52538 68659 81940 105076 131345 137318 262690 274636 343295 446573 525380 686590 893146 1167203 1373180 1786292 2232865 2334406 4465730 4668812 5836015 7483831 8931460 11672030 14967662 16546819 23344060 29935324 33093638 37419155 66187276 74838310 82734095 127225127 149676620 165468190 254450254 281295923 330936380 508900508 562591846 636125635 1125183692 1272251270 1406479615 1803603271 2544502540 2812959230 3607206542 5625918460 7214413084 9018016355 18036032710 30661255607 36072065420 61322511214 122645022428 153306278035 306612556070 613225112140