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30533121307 = 1331743310193
BaseRepresentation
bin11100011011111010…
…100111010100011011
32220210220110021022201
4130123322213110123
51000012434340212
622005434431031
72130432151243
oct343372472433
986726407281
1030533121307
1111a49172a57
125b01592477
132b57975ab0
141699182b23
15bda835b57
hex71bea751b

30533121307 has 16 divisors (see below), whose sum is σ = 33950423808. Its totient is φ = 27268899840.

The previous prime is 30533121233. The next prime is 30533121319. The reversal of 30533121307 is 70312133503.

It is not a de Polignac number, because 30533121307 - 215 = 30533088539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30533121347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990403 + ... + 3000595.

It is an arithmetic number, because the mean of its divisors is an integer number (2121901488).

Almost surely, 230533121307 is an apocalyptic number.

30533121307 is a deficient number, since it is larger than the sum of its proper divisors (3417302501).

30533121307 is a wasteful number, since it uses less digits than its factorization.

30533121307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670.

The product of its (nonzero) digits is 5670, while the sum is 28.

The spelling of 30533121307 in words is "thirty billion, five hundred thirty-three million, one hundred twenty-one thousand, three hundred seven".

Divisors: 1 13 31 403 7433 10193 96629 132509 230423 315983 2995499 4107779 75764569 984939397 2348701639 30533121307