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30803850553 = 717258855887
BaseRepresentation
bin11100101100000011…
…010111010100111001
32221111202212202000211
4130230003113110321
51001041241204203
622052345231121
72140230260320
oct345403272471
987452782024
1030803850553
1112077a74933
125b781924a1
132b9ba95808
1416c30d70b7
15c044b1c6d
hex72c0d7539

30803850553 has 8 divisors (see below), whose sum is σ = 37275247872. Its totient is φ = 24850165056.

The previous prime is 30803850533. The next prime is 30803850593. The reversal of 30803850553 is 35505830803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30803850553 - 217 = 30803719481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30803850533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129427825 + ... + 129428062.

It is an arithmetic number, because the mean of its divisors is an integer number (4659405984).

Almost surely, 230803850553 is an apocalyptic number.

It is an amenable number.

30803850553 is a deficient number, since it is larger than the sum of its proper divisors (6471397319).

30803850553 is a wasteful number, since it uses less digits than its factorization.

30803850553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258855911.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 30803850553 in words is "thirty billion, eight hundred three million, eight hundred fifty thousand, five hundred fifty-three".

Divisors: 1 7 17 119 258855887 1811991209 4400550079 30803850553