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30252780050000 = 2455605055601
BaseRepresentation
bin1101110000011110001100…
…01101010101011001010000
310222010010201020221210021012
412320033012031111121100
512431130143143100000
6144201534004550052
76241456043354054
oct670170615253120
9128103636853235
1030252780050000
11970414a716a92
1234872369b2328
1313b5a95461931
147683570abc64
15376e26bdb735
hex1b83c6355650

30252780050000 has 60 divisors (see below), whose sum is σ = 73263762623772. Its totient is φ = 12101112000000.

The previous prime is 30252780049991. The next prime is 30252780050069. The reversal of 30252780050000 is 5008725203.

It can be written as a sum of positive squares in 6 ways, for example, as 16322149444624 + 13930630605376 = 4040068^2 + 3732376^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302477801 + ... + 302577800.

Almost surely, 230252780050000 is an apocalyptic number.

It is an amenable number.

30252780050000 is an abundant number, since it is smaller than the sum of its proper divisors (43010982573772).

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

30252780050000 is an frugal number, since it uses more digits than its factorization.

30252780050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605055634 (or 605055608 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 30252780050000 its reverse (5008725203), we get a palindrome (30257788775203).

The spelling of 30252780050000 in words is "thirty trillion, two hundred fifty-two billion, seven hundred eighty million, fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 3125 5000 6250 10000 12500 25000 50000 605055601 1210111202 2420222404 3025278005 4840444808 6050556010 9680889616 12101112020 15126390025 24202224040 30252780050 48404448080 60505560100 75631950125 121011120200 151263900250 242022240400 302527800500 378159750625 605055601000 756319501250 1210111202000 1512639002500 1890798753125 3025278005000 3781597506250 6050556010000 7563195012500 15126390025000 30252780050000