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30140310040 = 2351495057099
BaseRepresentation
bin11100000100100000…
…001010001000011000
32212210112022101120021
4130010200022020120
5443211404410130
621502443240224
72114622260011
oct340440121030
985715271507
1030140310040
1111867468045
125a11b19074
132ac44805a9
14165cd30008
15bb60e237a
hex70480a218

30140310040 has 32 divisors (see below), whose sum is σ = 68270850000. Its totient is φ = 11975208064.

The previous prime is 30140309993. The next prime is 30140310059. The reversal of 30140310040 is 4001304103.

It is a junction number, because it is equal to n+sod(n) for n = 30140309996 and 30140310023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522590 + ... + 2534509.

Almost surely, 230140310040 is an apocalyptic number.

It is an amenable number.

30140310040 is an abundant number, since it is smaller than the sum of its proper divisors (38130539960).

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

30140310040 is a wasteful number, since it uses less digits than its factorization.

30140310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057259 (or 5057255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30140310040 its reverse (4001304103), we get a palindrome (34141614143).

The spelling of 30140310040 in words is "thirty billion, one hundred forty million, three hundred ten thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 5960 5057099 10114198 20228396 25285495 40456792 50570990 101141980 202283960 753507751 1507015502 3014031004 3767538755 6028062008 7535077510 15070155020 30140310040