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30230503028 = 22112173674101
BaseRepresentation
bin11100001001111000…
…001101111001110100
32220000211000200002022
4130021320031321310
5443403002044103
621515424332312
72120066015225
oct341170157164
986024020068
1030230503028
1111903370400
125a38174098
132b0a06c31b
14166accb24c
15bbdeab138
hex709e0de74

30230503028 has 36 divisors (see below), whose sum is σ = 61570601316. Its totient is φ = 12932832000.

The previous prime is 30230503019. The next prime is 30230503091. The reversal of 30230503028 is 82030503203.

It can be written as a sum of positive squares in 2 ways, for example, as 14582494564 + 15648008464 = 120758^2 + 125092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30230502988 and 30230503006.

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, 1828823 + ... + 1845278.

It is an arithmetic number, because the mean of its divisors is an integer number (1710294481).

Almost surely, 230230503028 is an apocalyptic number.

It is an amenable number.

30230503028 is an abundant number, since it is smaller than the sum of its proper divisors (31340098288).

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

30230503028 is a wasteful number, since it uses less digits than its factorization.

30230503028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674144 (or 3674131 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 30230503028 in words is "thirty billion, two hundred thirty million, five hundred three thousand, twenty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 748 2057 4114 8228 3674101 7348202 14696404 40415111 62459717 80830222 124919434 161660444 249838868 444566221 687056887 889132442 1374113774 1778264884 2748227548 7557625757 15115251514 30230503028