Search a number
-
+
30420440325400 = 23521719470904649
BaseRepresentation
bin1101110101010110011111…
…00010100001110100011000
310222201011110210100020121211
412322223033202201310120
512441402030210403100
6144410542442312504
76256542604240516
oct672531742416430
9128634423306554
1030420440325400
119769266560464
1234b3827ab8734
1313c8834745498
147725000d54b6
1537b48ae1a1ba
hex1baacf8a1d18

30420440325400 has 96 divisors (see below), whose sum is σ = 78829438410000. Its totient is φ = 10849643089920.

The previous prime is 30420440325293. The next prime is 30420440325481. The reversal of 30420440325400 is 452304402403.

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 23 ways as a sum of consecutive naturals, for example, 235387725 + ... + 235516924.

Almost surely, 230420440325400 is an apocalyptic number.

It is an amenable number.

30420440325400 is an abundant number, since it is smaller than the sum of its proper divisors (48408998084600).

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

30420440325400 is a wasteful number, since it uses less digits than its factorization.

30420440325400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470904701 (or 470904692 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 30420440325400 its reverse (452304402403), we get a palindrome (30872744727803).

The spelling of 30420440325400 in words is "thirty trillion, four hundred twenty billion, four hundred forty million, three hundred twenty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 19 20 25 34 38 40 50 68 76 85 95 100 136 152 170 190 200 323 340 380 425 475 646 680 760 850 950 1292 1615 1700 1900 2584 3230 3400 3800 6460 8075 12920 16150 32300 64600 470904649 941809298 1883618596 2354523245 3767237192 4709046490 8005379033 8947188331 9418092980 11772616225 16010758066 17894376662 18836185960 23545232450 32021516132 35788753324 40026895165 44735941655 47090464900 64043032264 71577506648 80053790330 89471883310 94180929800 152102201627 160107580660 178943766620 200134475825 223679708275 304204403254 320215161320 357887533240 400268951650 447359416550 608408806508 760511008135 800537903300 894718833100 1216817613016 1521022016270 1601075806600 1789437666200 3042044032540 3802555040675 6084088065080 7605110081350 15210220162700 30420440325400