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30670733461 = 153001200461
BaseRepresentation
bin11100100100000111…
…100100000010010101
32221011111101200201011
4130210013210002111
51000303201432321
622031232132221
72134022634664
oct344407440225
987144350634
1030670733461
1112009914005
125b3b697071
132b7a3282c4
1416ad564ddb
15be7969ae1
hex7241e4095

30670733461 has 4 divisors (see below), whose sum is σ = 30671086924. Its totient is φ = 30670380000.

The previous prime is 30670733437. The next prime is 30670733477. The reversal of 30670733461 is 16433707603.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16433707603 = 59278537417.

It can be written as a sum of positive squares in 2 ways, for example, as 10793963236 + 19876770225 = 103894^2 + 140985^2 .

It is a cyclic number.

It is not a de Polignac number, because 30670733461 - 213 = 30670725269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30670733411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52771 + ... + 253231.

It is an arithmetic number, because the mean of its divisors is an integer number (7667771731).

Almost surely, 230670733461 is an apocalyptic number.

It is an amenable number.

30670733461 is a deficient number, since it is larger than the sum of its proper divisors (353463).

30670733461 is a wasteful number, since it uses less digits than its factorization.

30670733461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353462.

The product of its (nonzero) digits is 190512, while the sum is 40.

The spelling of 30670733461 in words is "thirty billion, six hundred seventy million, seven hundred thirty-three thousand, four hundred sixty-one".

Divisors: 1 153001 200461 30670733461