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30403090540 = 2251980008133
BaseRepresentation
bin11100010100001010…
…100101100001101100
32220110211210000122101
4130110022211201230
5444231142344130
621544511424444
72124263001634
oct342412454154
986424700571
1030403090540
111199182aa09
125a85b25124
132b36a49304
141685bb56c4
15bce1ed1ca
hex7142a586c

30403090540 has 24 divisors (see below), whose sum is σ = 67206832560. Its totient is φ = 11521171008.

The previous prime is 30403090517. The next prime is 30403090579. The reversal of 30403090540 is 4509030403.

It is a junction number, because it is equal to n+sod(n) for n = 30403090499 and 30403090508.

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, 40003687 + ... + 40004446.

It is an arithmetic number, because the mean of its divisors is an integer number (2800284690).

Almost surely, 230403090540 is an apocalyptic number.

It is an amenable number.

30403090540 is an abundant number, since it is smaller than the sum of its proper divisors (36803742020).

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

30403090540 is a wasteful number, since it uses less digits than its factorization.

30403090540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80008161 (or 80008159 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 30403090540 in words is "thirty billion, four hundred three million, ninety thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 80008133 160016266 320032532 400040665 800081330 1520154527 1600162660 3040309054 6080618108 7600772635 15201545270 30403090540