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30302805053 = 48762223419
BaseRepresentation
bin11100001110001100…
…000001110000111101
32220012212001222211002
4130032030001300331
5444030004230203
621530530140045
72121634410263
oct341614016075
986185058732
1030302805053
1111940163a44
125a58421625
132b1c0358a1
14167674c433
15bc54ddd88
hex70e301c3d

30302805053 has 4 divisors (see below), whose sum is σ = 30365028960. Its totient is φ = 30240581148.

The previous prime is 30302805023. The next prime is 30302805059. The reversal of 30302805053 is 35050820303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30302805053 - 210 = 30302804029 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 (30302805059) 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, 31111223 + ... + 31112196.

It is an arithmetic number, because the mean of its divisors is an integer number (7591257240).

Almost surely, 230302805053 is an apocalyptic number.

It is an amenable number.

30302805053 is a deficient number, since it is larger than the sum of its proper divisors (62223907).

30302805053 is an equidigital number, since it uses as much as digits as its factorization.

30302805053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62223906.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 30302805053 in words is "thirty billion, three hundred two million, eight hundred five thousand, fifty-three".

Divisors: 1 487 62223419 30302805053