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30533133530 = 253341391381
BaseRepresentation
bin11100011011111010…
…101010010011011010
32220210220110220002102
4130123322222103122
51000012440233110
622005435003402
72130432232004
oct343372522332
986726426072
1030533133530
1111a49181159
125b01599562
132b5797b523
141699187374
15bda8395a5
hex71beaa4da

30533133530 has 16 divisors (see below), whose sum is σ = 54961886664. Its totient is φ = 12212754240.

The previous prime is 30533133529. The next prime is 30533133541. The reversal of 30533133530 is 3533133503.

It can be written as a sum of positive squares in 4 ways, for example, as 30530922361 + 2211169 = 174731^2 + 1487^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30533133493 and 30533133502.

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, 288440 + ... + 379820.

Almost surely, 230533133530 is an apocalyptic number.

30533133530 is a deficient number, since it is larger than the sum of its proper divisors (24428753134).

30533133530 is a wasteful number, since it uses less digits than its factorization.

30533133530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124801.

The product of its (nonzero) digits is 18225, while the sum is 29.

The spelling of 30533133530 in words is "thirty billion, five hundred thirty-three million, one hundred thirty-three thousand, five hundred thirty".

Divisors: 1 2 5 10 33413 66826 91381 167065 182762 334130 456905 913810 3053313353 6106626706 15266566765 30533133530