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30143433421040 = 245827455614169
BaseRepresentation
bin1101101101010010100001…
…01001000011000011110000
310221201200110200222111110112
412312221100221003003300
512422332222423433130
6144035411355120452
76230535244350332
oct666512051030360
9127650420874415
1030143433421040
119671838368245
123469bbaa43128
1313a868a429214
14762d429a5452
15374177155495
hex1b6a50a430f0

30143433421040 has 40 divisors (see below), whose sum is σ = 70168227093360. Its totient is φ = 12042793688576.

The previous prime is 30143433421019. The next prime is 30143433421091. The reversal of 30143433421040 is 4012433434103.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 30143433420988 and 30143433421006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227740925 + ... + 227873244.

It is an arithmetic number, because the mean of its divisors is an integer number (1754205677334).

Almost surely, 230143433421040 is an apocalyptic number.

It is an amenable number.

30143433421040 is an abundant number, since it is smaller than the sum of its proper divisors (40024793672320).

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

30143433421040 is a wasteful number, since it uses less digits than its factorization.

30143433421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455615009 (or 455615003 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 30143433421040 its reverse (4012433434103), we get a palindrome (34155866855143).

The spelling of 30143433421040 in words is "thirty trillion, one hundred forty-three billion, four hundred thirty-three million, four hundred twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 827 1654 3308 4135 6616 8270 13232 16540 33080 66160 455614169 911228338 1822456676 2278070845 3644913352 4556141690 7289826704 9112283380 18224566760 36449133520 376792917763 753585835526 1507171671052 1883964588815 3014343342104 3767929177630 6028686684208 7535858355260 15071716710520 30143433421040