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30653146243 = 65346942031
BaseRepresentation
bin11100100011000100…
…011110010010000011
32221010021022011120201
4130203010132102003
51000234201134433
622025403150031
72133420305206
oct344304362203
987107264521
1030653146243
1111aaa9a1515
125b35815317
132b767ab175
1416ab0a793d
15be6143a7d
hex72311e483

30653146243 has 4 divisors (see below), whose sum is σ = 30700088928. Its totient is φ = 30606203560.

The previous prime is 30653146229. The next prime is 30653146309. The reversal of 30653146243 is 34264135603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30653146243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30653146543) 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, 23470363 + ... + 23471668.

It is an arithmetic number, because the mean of its divisors is an integer number (7675022232).

Almost surely, 230653146243 is an apocalyptic number.

30653146243 is a deficient number, since it is larger than the sum of its proper divisors (46942685).

30653146243 is an equidigital number, since it uses as much as digits as its factorization.

30653146243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46942684.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 30653146243 in words is "thirty billion, six hundred fifty-three million, one hundred forty-six thousand, two hundred forty-three".

Divisors: 1 653 46942031 30653146243