Search a number
-
+
30430140220340 = 2257647335947673
BaseRepresentation
bin1101110101101000100011…
…01100101100001110110100
310222202002111210101221222222
412322310101230230032310
512442031411344022330
6144415225144541512
76260335146054560
oct672642154541664
9128662453357888
1030430140220340
11977239392a063
1234b5694481898
1313c971c1c90a3
14772b804586a0
1537b8577980e5
hex1bad11b2c3b4

30430140220340 has 48 divisors (see below), whose sum is σ = 73145215164672. Its totient is φ = 10417065413376.

The previous prime is 30430140220321. The next prime is 30430140220357. The reversal of 30430140220340 is 4302204103403.

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, 167883257 + ... + 168064416.

It is an arithmetic number, because the mean of its divisors is an integer number (1523858649264).

Almost surely, 230430140220340 is an apocalyptic number.

It is an amenable number.

30430140220340 is an abundant number, since it is smaller than the sum of its proper divisors (42715074944332).

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

30430140220340 is a wasteful number, since it uses less digits than its factorization.

30430140220340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335948336 (or 335948334 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30430140220340 its reverse (4302204103403), we get a palindrome (34732344323743).

The spelling of 30430140220340 in words is "thirty trillion, four hundred thirty billion, one hundred forty million, two hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 647 1294 2588 3235 4529 6470 9058 12940 18116 22645 45290 90580 335947673 671895346 1343790692 1679738365 2351633711 3359476730 4703267422 6718953460 9406534844 11758168555 23516337110 47032674220 217358144431 434716288862 869432577724 1086790722155 1521507011017 2173581444310 3043014022034 4347162888620 6086028044068 7607535055085 15215070110170 30430140220340