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30538595522 = 229242612
BaseRepresentation
bin11100011100001111…
…011111110011000010
32220211021202101112102
4130130033133303002
51000020340024042
622010152030402
72130526531121
oct343417376302
986737671472
1030538595522
1111a512718a6
125b03392402
132b58b41686
141699ba9ab8
15bdb067b32
hex71c3dfcc2

30538595522 has 18 divisors (see below), whose sum is σ = 47453080779. Its totient is φ = 14739310320.

The previous prime is 30538595489. The next prime is 30538595567. The reversal of 30538595522 is 22559583503.

It can be written as a sum of positive squares in 5 ways, for example, as 29766255841 + 772339681 = 172529^2 + 27791^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=123569.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7164872 + ... + 7169132.

Almost surely, 230538595522 is an apocalyptic number.

30538595522 is a deficient number, since it is larger than the sum of its proper divisors (16914485257).

30538595522 is an frugal number, since it uses more digits than its factorization.

30538595522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8582 (or 4292 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 30538595522 in words is "thirty billion, five hundred thirty-eight million, five hundred ninety-five thousand, five hundred twenty-two".

Divisors: 1 2 29 58 841 1682 4261 8522 123569 247138 3583501 7167002 18156121 36312242 526527509 1053055018 15269297761 30538595522